31051133115013 has 32 divisors (see below), whose sum is σ = 35066541146112. Its totient is φ = 27239709283200.

The previous prime is 31051133115011. The next prime is 31051133115017.

31051133115013 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31051133115013 - 2¹ = 31051133115011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31051133115011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1534667545 + ... + 1534687777.

It is an arithmetic number, because the mean of its divisors is an integer number (1095829410816).

Almost surely, 2^{31051133115013} is an apocalyptic number.

It is an amenable number.

31051133115013 is a deficient number, since it is larger than the sum of its proper divisors (4015408031099).

31051133115013 is a wasteful number, since it uses less digits than its factorization.

31051133115013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32905.

The product of its (nonzero) digits is 2025, while the sum is 28.

The spelling of 31051133115013 in words is "thirty-one trillion, fifty-one billion, one hundred thirty-three million, one hundred fifteen thousand, thirteen".