31845674896 has 20 divisors (see below), whose sum is σ = 70515423232. Its totient is φ = 13648146336.

The previous prime is 31845674879. The next prime is 31845674899. The reversal of 31845674896 is 69847654813.

It is a happy number.

It is a super-2 number, since 2×31845674896² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31845674899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142168080 + ... + 142168303.

Almost surely, 2^31845674896 is an apocalyptic number.

It is an amenable number.

31845674896 is an abundant number, since it is smaller than the sum of its proper divisors (38669748336).

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

31845674896 is a wasteful number, since it uses less digits than its factorization.

31845674896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284336398 (or 284336392 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 61.

The spelling of 31845674896 in words is "thirty-one billion, eight hundred forty-five million, six hundred seventy-four thousand, eight hundred ninety-six".