31442856060 has 144 divisors (see below), whose sum is σ = 111724341120. Its totient is φ = 6533573760.

The previous prime is 31442856043. The next prime is 31442856061. The reversal of 31442856060 is 6065824413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31442856061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 453790 + ... + 518469.

It is an arithmetic number, because the mean of its divisors is an integer number (775863480).

Almost surely, 2^31442856060 is an apocalyptic number.

31442856060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31442856060 is an abundant number, since it is smaller than the sum of its proper divisors (80281485060).

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

31442856060 is a wasteful number, since it uses less digits than its factorization.

31442856060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972296 (or 972287 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 31442856060 in words is "thirty-one billion, four hundred forty-two million, eight hundred fifty-six thousand, sixty".