31838616228 has 24 divisors (see below), whose sum is σ = 74296676160. Its totient is φ = 10611933280.

The previous prime is 31838616211. The next prime is 31838616233. The reversal of 31838616228 is 82261683813.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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, 31513 + ... + 254303.

It is an arithmetic number, because the mean of its divisors is an integer number (3095694840).

Almost surely, 2^31838616228 is an apocalyptic number.

It is an amenable number.

31838616228 is an abundant number, since it is smaller than the sum of its proper divisors (42458059932).

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

31838616228 is a wasteful number, since it uses less digits than its factorization.

31838616228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234707 (or 234705 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The spelling of 31838616228 in words is "thirty-one billion, eight hundred thirty-eight million, six hundred sixteen thousand, two hundred twenty-eight".