31838758148 has 24 divisors (see below), whose sum is σ = 58979585280. Its totient is φ = 15012980640.

The previous prime is 31838758139. The next prime is 31838758151. The reversal of 31838758148 is 84185783813.

It is a junction number, because it is equal to n+sod(n) for n = 31838758093 and 31838758102.

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, 3186548 + ... + 3196523.

It is an arithmetic number, because the mean of its divisors is an integer number (2457482720).

Almost surely, 2^31838758148 is an apocalyptic number.

It is an amenable number.

31838758148 is a deficient number, since it is larger than the sum of its proper divisors (27140827132).

31838758148 is a wasteful number, since it uses less digits than its factorization.

31838758148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383147 (or 6383145 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 56.

The spelling of 31838758148 in words is "thirty-one billion, eight hundred thirty-eight million, seven hundred fifty-eight thousand, one hundred forty-eight".