31514054120 has 32 divisors (see below), whose sum is σ = 70940118600. Its totient is φ = 12599666688.

The previous prime is 31514054101. The next prime is 31514054123. The reversal of 31514054120 is 2145041513.

It can be written as a sum of positive squares in 4 ways, for example, as 17408691364 + 14105362756 = 131942^2 + 118766^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31514054120.

It is not an unprimeable number, because it can be changed into a prime (31514054123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99869 + ... + 270188.

Almost surely, 2^31514054120 is an apocalyptic number.

It is an amenable number.

31514054120 is an abundant number, since it is smaller than the sum of its proper divisors (39426064480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31514054120 is a wasteful number, since it uses less digits than its factorization.

31514054120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372197 (or 372193 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 31514054120 its reverse (2145041513), we get a palindrome (33659095633).

The spelling of 31514054120 in words is "thirty-one billion, five hundred fourteen million, fifty-four thousand, one hundred twenty".