31454960 has 20 divisors (see below), whose sum is σ = 73132968. Its totient is φ = 12581952.

The previous prime is 31454957. The next prime is 31454971. The reversal of 31454960 is 6945413.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196514 + ... + 196673.

Almost surely, 2^31454960 is an apocalyptic number.

It is an amenable number.

31454960 is an abundant number, since it is smaller than the sum of its proper divisors (41678008).

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

31454960 is a wasteful number, since it uses less digits than its factorization.

31454960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393200 (or 393194 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 31454960 is about 5608.4721627195. The cubic root of 31454960 is about 315.6673848906.

The spelling of 31454960 in words is "thirty-one million, four hundred fifty-four thousand, nine hundred sixty".