31230214104 has 16 divisors (see below), whose sum is σ = 78075535320. Its totient is φ = 10410071360.

The previous prime is 31230214049. The next prime is 31230214109. The reversal of 31230214104 is 40141203213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31230214109) 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, 650629437 + ... + 650629484.

Almost surely, 2^31230214104 is an apocalyptic number.

It is an amenable number.

31230214104 is an abundant number, since it is smaller than the sum of its proper divisors (46845321216).

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

31230214104 is a wasteful number, since it uses less digits than its factorization.

31230214104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301258930 (or 1301258926 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31230214104 its reverse (40141203213), we get a palindrome (71371417317).

The spelling of 31230214104 in words is "thirty-one billion, two hundred thirty million, two hundred fourteen thousand, one hundred four".