31457232010 has 16 divisors (see below), whose sum is σ = 59603176800. Its totient is φ = 11920635216.

The previous prime is 31457231999. The next prime is 31457232011. The reversal of 31457232010 is 1023275413.

It is a self number, because there is not a number n which added to its sum of digits gives 31457232010.

It is not an unprimeable number, because it can be changed into a prime (31457232011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 82782000 + ... + 82782379.

It is an arithmetic number, because the mean of its divisors is an integer number (3725198550).

Almost surely, 2^31457232010 is an apocalyptic number.

31457232010 is a deficient number, since it is larger than the sum of its proper divisors (28145944790).

31457232010 is a wasteful number, since it uses less digits than its factorization.

31457232010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165564405.

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 31457232010 in words is "thirty-one billion, four hundred fifty-seven million, two hundred thirty-two thousand, ten".