31124842113 has 16 divisors (see below), whose sum is σ = 42633069440. Its totient is φ = 20183561856.

The previous prime is 31124842087. The next prime is 31124842129.

31124842113 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31124842113 - 2³⁴ = 13944972929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31124842163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390573 + ... + 463461.

It is an arithmetic number, because the mean of its divisors is an integer number (2664566840).

Almost surely, 2^31124842113 is an apocalyptic number.

It is an amenable number.

31124842113 is a deficient number, since it is larger than the sum of its proper divisors (11508227327).

31124842113 is a wasteful number, since it uses less digits than its factorization.

31124842113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76776.

The product of its digits is 4608, while the sum is 30.

The spelling of 31124842113 in words is "thirty-one billion, one hundred twenty-four million, eight hundred forty-two thousand, one hundred thirteen".