31464048 has 80 divisors (see below), whose sum is σ = 101350656. Its totient is φ = 8171520.

The previous prime is 31464047. The next prime is 31464061. The reversal of 31464048 is 84046413.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31464047) 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, 561 + ... + 7952.

Almost surely, 2^31464048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31464048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50675328).

31464048 is an abundant number, since it is smaller than the sum of its proper divisors (69886608).

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

31464048 is a wasteful number, since it uses less digits than its factorization.

31464048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8542 (or 8536 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 31464048 is about 5609.2823070336. The cubic root of 31464048 is about 315.6977829471.

The spelling of 31464048 in words is "thirty-one million, four hundred sixty-four thousand, forty-eight".