31345286116 has 9 divisors (see below), whose sum is σ = 54854870371. Its totient is φ = 15672466012.

The previous prime is 31345286111. The next prime is 31345286123. The reversal of 31345286116 is 61168254313.

The square root of 31345286116 is 177046.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31345286111) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 309831 + ... + 398353.

Almost surely, 2^31345286116 is an apocalyptic number.

31345286116 is the 177046-th square number.

It is an amenable number.

31345286116 is a deficient number, since it is larger than the sum of its proper divisors (23509584255).

31345286116 is an frugal number, since it uses more digits than its factorization.

31345286116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177050 (or 88525 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The spelling of 31345286116 in words is "thirty-one billion, three hundred forty-five million, two hundred eighty-six thousand, one hundred sixteen".