31048960 has 72 divisors (see below), whose sum is σ = 75350016. Its totient is φ = 12257280.

The previous prime is 31048943. The next prime is 31048961. The reversal of 31048960 is 6984013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31048961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162465 + ... + 162655.

It is an arithmetic number, because the mean of its divisors is an integer number (1046528).

Almost surely, 2^31048960 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 31048960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37675008).

31048960 is an abundant number, since it is smaller than the sum of its proper divisors (44301056).

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

31048960 is a wasteful number, since it uses less digits than its factorization.

31048960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 31048960 is about 5572.1593659909. The cubic root of 31048960 is about 314.3033567428.

The spelling of 31048960 in words is "thirty-one million, forty-eight thousand, nine hundred sixty".