31955055913 has 8 divisors (see below), whose sum is σ = 35004711456. Its totient is φ = 28929508800.

The previous prime is 31955055827. The next prime is 31955055917.

31955055913 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31955055913 is a prime.

It is a super-2 number, since 2×31955055913² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31955055917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6024331 + ... + 6029632.

It is an arithmetic number, because the mean of its divisors is an integer number (4375588932).

Almost surely, 2^31955055913 is an apocalyptic number.

It is an amenable number.

31955055913 is a deficient number, since it is larger than the sum of its proper divisors (3049655543).

31955055913 is a wasteful number, since it uses less digits than its factorization.

31955055913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12054215.

The product of its (nonzero) digits is 455625, while the sum is 46.

The spelling of 31955055913 in words is "thirty-one billion, nine hundred fifty-five million, fifty-five thousand, nine hundred thirteen".