31425531764 has 192 divisors, whose sum is σ = 70416138240. Its totient is φ = 12070840320.

The previous prime is 31425531751. The next prime is 31425531773. The reversal of 31425531764 is 46713552413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41512874 + ... + 41513630.

It is an arithmetic number, because the mean of its divisors is an integer number (366750720).

Almost surely, 2^31425531764 is an apocalyptic number.

31425531764 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31425531764 is an abundant number, since it is smaller than the sum of its proper divisors (38990606476).

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

31425531764 is a wasteful number, since it uses less digits than its factorization.

31425531764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 956 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The spelling of 31425531764 in words is "thirty-one billion, four hundred twenty-five million, five hundred thirty-one thousand, seven hundred sixty-four".