31150452115545 has 16 divisors (see below), whose sum is σ = 56960826725760. Its totient is φ = 14240206681344.

The previous prime is 31150452115507. The next prime is 31150452115577. The reversal of 31150452115545 is 54551125405113.

It is not a de Polignac number, because 31150452115545 - 2⁶ = 31150452115481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31150452115497 and 31150452115506.

It is an unprimeable number.

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, 148335486160 + ... + 148335486369.

It is an arithmetic number, because the mean of its divisors is an integer number (3560051670360).

Almost surely, 2^{31150452115545} is an apocalyptic number.

31150452115545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31150452115545 is a deficient number, since it is larger than the sum of its proper divisors (25810374610215).

31150452115545 is a wasteful number, since it uses less digits than its factorization.

31150452115545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296670972544.

The product of its (nonzero) digits is 300000, while the sum is 42.

The spelling of 31150452115545 in words is "thirty-one trillion, one hundred fifty billion, four hundred fifty-two million, one hundred fifteen thousand, five hundred forty-five".