31662048 has 48 divisors (see below), whose sum is σ = 90671616. Its totient is φ = 9594240.

The previous prime is 31662023. The next prime is 31662073. The reversal of 31662048 is 84026613.

It is an interprime number because it is at equal distance from previous prime (31662023) and next prime (31662073).

It is a tau number, because it is divible by the number of its divisors (48).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13936 + ... + 16047.

It is an arithmetic number, because the mean of its divisors is an integer number (1888992).

Almost surely, 2^31662048 is an apocalyptic number.

It is an amenable number.

31662048 is an abundant number, since it is smaller than the sum of its proper divisors (59009568).

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

31662048 is a wasteful number, since it uses less digits than its factorization.

31662048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30007 (or 29999 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 31662048 is about 5626.9039444440. The cubic root of 31662048 is about 316.3586165264.

The spelling of 31662048 in words is "thirty-one million, six hundred sixty-two thousand, forty-eight".