31204468 has 48 divisors (see below), whose sum is σ = 59754240. Its totient is φ = 14217984.

The previous prime is 31204463. The next prime is 31204471. The reversal of 31204468 is 86440213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31204463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302905 + ... + 303007.

It is an arithmetic number, because the mean of its divisors is an integer number (1244880).

Almost surely, 2^31204468 is an apocalyptic number.

It is an amenable number.

31204468 is a deficient number, since it is larger than the sum of its proper divisors (28549772).

31204468 is a wasteful number, since it uses less digits than its factorization.

31204468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 31204468 is about 5586.0959533470. The cubic root of 31204468 is about 314.8272101820.

The spelling of 31204468 in words is "thirty-one million, two hundred four thousand, four hundred sixty-eight".