31375284316 has 12 divisors (see below), whose sum is σ = 54907987680. Its totient is φ = 15687287840.

The previous prime is 31375284313. The next prime is 31375284319. The reversal of 31375284316 is 61348257313.

It is an interprime number because it is at equal distance from previous prime (31375284313) and next prime (31375284319).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31375284313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302781 + ... + 392971.

It is an arithmetic number, because the mean of its divisors is an integer number (4575665640).

Almost surely, 2^31375284316 is an apocalyptic number.

It is an amenable number.

31375284316 is a deficient number, since it is larger than the sum of its proper divisors (23532703364).

31375284316 is a wasteful number, since it uses less digits than its factorization.

31375284316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177164 (or 177162 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The spelling of 31375284316 in words is "thirty-one billion, three hundred seventy-five million, two hundred eighty-four thousand, three hundred sixteen".