31488054 has 32 divisors (see below), whose sum is σ = 71393280. Its totient is φ = 9178272.

The previous prime is 31488053. The next prime is 31488059. The reversal of 31488054 is 45088413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31488053) 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, 9142 + ... + 12105.

It is an arithmetic number, because the mean of its divisors is an integer number (2231040).

Almost surely, 2^31488054 is an apocalyptic number.

31488054 is an abundant number, since it is smaller than the sum of its proper divisors (39905226).

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

31488054 is a wasteful number, since it uses less digits than its factorization.

31488054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21284.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 31488054 is about 5611.4217449769. The cubic root of 31488054 is about 315.7780514319.

The spelling of 31488054 in words is "thirty-one million, four hundred eighty-eight thousand, fifty-four".