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2201003131 = 31671059703
BaseRepresentation
bin1000001100110000…
…1010010001111011
312200101120112200111
42003030022101323
514001424100011
61002223045151
7105354134515
oct20314122173
95611515614
102201003131
11a2a455258
125151407b7
13290cc3122
1416c45cbb5
15cd369121
hex8330a47b

2201003131 has 8 divisors (see below), whose sum is σ = 2305915904. Its totient is φ = 2098209960.

The previous prime is 2201003099. The next prime is 2201003143. The reversal of 2201003131 is 1313001022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2201003131 - 25 = 2201003099 is a prime.

It is a super-2 number, since 2×22010031312 = 9688829565343606322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2201003171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527775 + ... + 531928.

It is an arithmetic number, because the mean of its divisors is an integer number (288239488).

Almost surely, 22201003131 is an apocalyptic number.

2201003131 is a deficient number, since it is larger than the sum of its proper divisors (104912773).

2201003131 is a wasteful number, since it uses less digits than its factorization.

2201003131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059801.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2201003131 is about 46914.8497919369. The cubic root of 2201003131 is about 1300.7890931171.

Adding to 2201003131 its reverse (1313001022), we get a palindrome (3514004153).

The spelling of 2201003131 in words is "two billion, two hundred one million, three thousand, one hundred thirty-one".

Divisors: 1 31 67 2077 1059703 32850793 71000101 2201003131