31442512024 has 32 divisors (see below), whose sum is σ = 73501977600. Its totient is φ = 12250329120.

The previous prime is 31442511983. The next prime is 31442512033. The reversal of 31442512024 is 42021524413.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 31442511983 and 31442512001.

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, 25520904 + ... + 25522135.

It is an arithmetic number, because the mean of its divisors is an integer number (2296936800).

Almost surely, 2^31442512024 is an apocalyptic number.

It is an amenable number.

31442512024 is an abundant number, since it is smaller than the sum of its proper divisors (42059465576).

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

31442512024 is a wasteful number, since it uses less digits than its factorization.

31442512024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51043063 (or 51043059 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 31442512024 in words is "thirty-one billion, four hundred forty-two million, five hundred twelve thousand, twenty-four".