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31241314 = 2132389587
BaseRepresentation
bin111011100101…
…1010001100010
32011210020000201
41313023101202
530444210224
63033335414
7526355356
oct167132142
964706021
1031241314
11166a9075
12a56756a
13661acb0
144213466
152b21a44
hex1dcb462

31241314 has 32 divisors (see below), whose sum is σ = 53343360. Its totient is φ = 13613952.

The previous prime is 31241281. The next prime is 31241317. The reversal of 31241314 is 41314213.

It is a junction number, because it is equal to n+sod(n) for n = 31241291 and 31241300.

It is not an unprimeable number, because it can be changed into a prime (31241317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52929 + ... + 53515.

It is an arithmetic number, because the mean of its divisors is an integer number (1666980).

Almost surely, 231241314 is an apocalyptic number.

31241314 is a deficient number, since it is larger than the sum of its proper divisors (22102046).

31241314 is a wasteful number, since it uses less digits than its factorization.

31241314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its digits is 288, while the sum is 19.

The square root of 31241314 is about 5589.3929902987. The cubic root of 31241314 is about 314.9510766382.

Adding to 31241314 its reverse (41314213), we get a palindrome (72555527).

The spelling of 31241314 in words is "thirty-one million, two hundred forty-one thousand, three hundred fourteen".

Divisors: 1 2 13 23 26 46 89 178 299 587 598 1157 1174 2047 2314 4094 7631 13501 15262 26611 27002 52243 53222 104486 175513 351026 679159 1201589 1358318 2403178 15620657 31241314