31948815148 has 12 divisors (see below), whose sum is σ = 56826991312. Its totient is φ = 15712531920.

The previous prime is 31948815103. The next prime is 31948815169. The reversal of 31948815148 is 84151884913.

It is a super-2 number, since 2×31948815148² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 31948815095 and 31948815104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65468640 + ... + 65469127.

Almost surely, 2^31948815148 is an apocalyptic number.

It is an amenable number.

31948815148 is a deficient number, since it is larger than the sum of its proper divisors (24878176164).

31948815148 is a wasteful number, since it uses less digits than its factorization.

31948815148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130937832 (or 130937830 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 52.

The spelling of 31948815148 in words is "thirty-one billion, nine hundred forty-eight million, eight hundred fifteen thousand, one hundred forty-eight".