31347574113 has 16 divisors (see below), whose sum is σ = 41873872896. Its totient is φ = 20859867600.

The previous prime is 31347574109. The next prime is 31347574171. The reversal of 31347574113 is 31147574313.

It is not a de Polignac number, because 31347574113 - 2² = 31347574109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31347574103) 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, 4380088 + ... + 4387238.

It is an arithmetic number, because the mean of its divisors is an integer number (2617117056).

Almost surely, 2^31347574113 is an apocalyptic number.

It is an amenable number.

31347574113 is a deficient number, since it is larger than the sum of its proper divisors (10526298783).

31347574113 is a wasteful number, since it uses less digits than its factorization.

31347574113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9644.

The product of its digits is 105840, while the sum is 39.

The spelling of 31347574113 in words is "thirty-one billion, three hundred forty-seven million, five hundred seventy-four thousand, one hundred thirteen".