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3131042401313 = 6746731976139
BaseRepresentation
bin101101100100000000101…
…010111000110000100001
3102002022202201122222211222
4231210000222320300201
5402244333323320223
610354214144544425
7442132102201241
oct55440052706041
912068681588758
103131042401313
11aa795a89a3a2
12426997922115
13199343669438
14ab7869c9b21
15566a3d620c8
hex2d900ab8c21

3131042401313 has 4 divisors (see below), whose sum is σ = 3177774377520. Its totient is φ = 3084310425108.

The previous prime is 3131042401307. The next prime is 3131042401363.

3131042401313 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3131042401313 - 24 = 3131042401297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131042401363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23365988003 + ... + 23365988136.

It is an arithmetic number, because the mean of its divisors is an integer number (794443594380).

Almost surely, 23131042401313 is an apocalyptic number.

It is an amenable number.

3131042401313 is a deficient number, since it is larger than the sum of its proper divisors (46731976207).

3131042401313 is an equidigital number, since it uses as much as digits as its factorization.

3131042401313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46731976206.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 3131042401313 in words is "three trillion, one hundred thirty-one billion, forty-two million, four hundred one thousand, three hundred thirteen".

Divisors: 1 67 46731976139 3131042401313