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1121031330 = 23579473009
BaseRepresentation
bin100001011010001…
…1001010010100010
32220010102021212220
41002310121102202
54243441000310
6303123331510
736531415626
oct10264312242
92803367786
101121031330
1152587a481
12273520b96
1314b335663
14a8c55186
156863c670
hex42d194a2

1121031330 has 32 divisors (see below), whose sum is σ = 2724537600. Its totient is φ = 295156992.

The previous prime is 1121031313. The next prime is 1121031341. The reversal of 1121031330 is 331301211.

It is a super-2 number, since 2×11210313302 = 2513422485683137800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234135 + ... + 238874.

It is an arithmetic number, because the mean of its divisors is an integer number (85141800).

Almost surely, 21121031330 is an apocalyptic number.

1121031330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121031330 is an abundant number, since it is smaller than the sum of its proper divisors (1603506270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121031330 is a wasteful number, since it uses less digits than its factorization.

1121031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473098.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1121031330 is about 33481.8059548764. The cubic root of 1121031330 is about 1038.8174829920.

Adding to 1121031330 its reverse (331301211), we get a palindrome (1452332541).

The spelling of 1121031330 in words is "one billion, one hundred twenty-one million, thirty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 79 158 237 395 474 790 1185 2370 473009 946018 1419027 2365045 2838054 4730090 7095135 14190270 37367711 74735422 112103133 186838555 224206266 373677110 560515665 1121031330