31542423948 has 48 divisors (see below), whose sum is σ = 93459036160. Its totient is φ = 9012120912.

The previous prime is 31542423923. The next prime is 31542423959. The reversal of 31542423948 is 84932424513.

31542423948 is a `hidden beast` number, since 3 + 15 + 4 + 242 + 394 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20860636 + ... + 20862147.

Almost surely, 2^31542423948 is an apocalyptic number.

It is an amenable number.

31542423948 is an abundant number, since it is smaller than the sum of its proper divisors (61916612212).

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

31542423948 is a wasteful number, since it uses less digits than its factorization.

31542423948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41722803 (or 41722795 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 31542423948 in words is "thirty-one billion, five hundred forty-two million, four hundred twenty-three thousand, nine hundred forty-eight".