31053310512 has 160 divisors (see below), whose sum is σ = 92787965952. Its totient is φ = 8765874432.

The previous prime is 31053310511. The next prime is 31053310517. The reversal of 31053310512 is 21501335013.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (31053310511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11221353 + ... + 11224119.

Almost surely, 2^31053310512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31053310512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46393982976).

31053310512 is an abundant number, since it is smaller than the sum of its proper divisors (61734655440).

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

31053310512 is a wasteful number, since it uses less digits than its factorization.

31053310512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 31053310512 its reverse (21501335013), we get a palindrome (52554645525).

The spelling of 31053310512 in words is "thirty-one billion, fifty-three million, three hundred ten thousand, five hundred twelve".