31300313112 has 32 divisors (see below), whose sum is σ = 86945314800. Its totient is φ = 10433437632.

The previous prime is 31300313101. The next prime is 31300313129. The reversal of 31300313112 is 21131300313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72454213 + ... + 72454644.

Almost surely, 2^31300313112 is an apocalyptic number.

It is an amenable number.

31300313112 is an abundant number, since it is smaller than the sum of its proper divisors (55645001688).

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

31300313112 is a wasteful number, since it uses less digits than its factorization.

31300313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144908872 (or 144908862 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 31300313112 its reverse (21131300313), we get a palindrome (52431613425).

The spelling of 31300313112 in words is "thirty-one billion, three hundred million, three hundred thirteen thousand, one hundred twelve".