31144477444113 has 16 divisors (see below), whose sum is σ = 45749583433152. Its totient is φ = 18688555320000.

The previous prime is 31144477444111. The next prime is 31144477444121.

31144477444113 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31144477444113 - 2¹ = 31144477444111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31144477444111) 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 15 ways as a sum of consecutive naturals, for example, 4672135498 + ... + 4672142163.

It is an arithmetic number, because the mean of its divisors is an integer number (2859348964572).

Almost surely, 2^{31144477444113} is an apocalyptic number.

31144477444113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31144477444113 is a deficient number, since it is larger than the sum of its proper divisors (14605105989039).

31144477444113 is a wasteful number, since it uses less digits than its factorization.

31144477444113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9344277776.

The product of its digits is 1806336, while the sum is 48.

The spelling of 31144477444113 in words is "thirty-one trillion, one hundred forty-four billion, four hundred seventy-seven million, four hundred forty-four thousand, one hundred thirteen".