31408880124 has 24 divisors (see below), whose sum is σ = 75268128208. Its totient is φ = 10186663680.

The previous prime is 31408880117. The next prime is 31408880131. The reversal of 31408880124 is 42108880413.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31408880117) and next prime (31408880131).

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, 35369917 + ... + 35370804.

Almost surely, 2^31408880124 is an apocalyptic number.

It is an amenable number.

31408880124 is an abundant number, since it is smaller than the sum of its proper divisors (43859248084).

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

31408880124 is a wasteful number, since it uses less digits than its factorization.

31408880124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70740765 (or 70740763 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The spelling of 31408880124 in words is "thirty-one billion, four hundred eight million, eight hundred eighty thousand, one hundred twenty-four".