31164468 has 24 divisors (see below), whose sum is σ = 76995072. Its totient is φ = 9777024.

The previous prime is 31164461. The next prime is 31164479. The reversal of 31164468 is 86446113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31164461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76180 + ... + 76587.

It is an arithmetic number, because the mean of its divisors is an integer number (3208128).

Almost surely, 2^31164468 is an apocalyptic number.

It is an amenable number.

31164468 is an abundant number, since it is smaller than the sum of its proper divisors (45830604).

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

31164468 is a wasteful number, since it uses less digits than its factorization.

31164468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152791 (or 152789 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 31164468 is about 5582.5144872181. The cubic root of 31164468 is about 314.6926303826.

The spelling of 31164468 in words is "thirty-one million, one hundred sixty-four thousand, four hundred sixty-eight".