31232468 has 12 divisors (see below), whose sum is σ = 57872052. Its totient is φ = 14697600.

The previous prime is 31232441. The next prime is 31232473. The reversal of 31232468 is 86423213.

It can be written as a sum of positive squares in 2 ways, for example, as 23931664 + 7300804 = 4892^2 + 2702^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31232468.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229583 + ... + 229718.

It is an arithmetic number, because the mean of its divisors is an integer number (4822671).

Almost surely, 2^31232468 is an apocalyptic number.

It is an amenable number.

31232468 is a deficient number, since it is larger than the sum of its proper divisors (26639584).

31232468 is a wasteful number, since it uses less digits than its factorization.

31232468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459322 (or 459320 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 31232468 is about 5588.6016139997. The cubic root of 31232468 is about 314.9213476259.

The spelling of 31232468 in words is "thirty-one million, two hundred thirty-two thousand, four hundred sixty-eight".