31753968 has 20 divisors (see below), whose sum is σ = 82031208. Its totient is φ = 10584640.

The previous prime is 31753963. The next prime is 31754003. The reversal of 31753968 is 86935713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31753963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330723 + ... + 330818.

Almost surely, 2^31753968 is an apocalyptic number.

It is an amenable number.

31753968 is an abundant number, since it is smaller than the sum of its proper divisors (50277240).

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

31753968 is a wasteful number, since it uses less digits than its factorization.

31753968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661552 (or 661546 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 31753968 is about 5635.0659268548. The cubic root of 31753968 is about 316.6644673285.

It can be divided in two parts, 317 and 53968, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 31753968 in words is "thirty-one million, seven hundred fifty-three thousand, nine hundred sixty-eight".