31202230112 has 48 divisors (see below), whose sum is σ = 63433746432. Its totient is φ = 15092434560.

The previous prime is 31202230093. The next prime is 31202230121. The reversal of 31202230112 is 21103220213.

It is a congruent number.

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, 4959833 + ... + 4966119.

It is an arithmetic number, because the mean of its divisors is an integer number (1321536384).

Almost surely, 2^31202230112 is an apocalyptic number.

31202230112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31202230112 is an abundant number, since it is smaller than the sum of its proper divisors (32231516320).

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

31202230112 is a wasteful number, since it uses less digits than its factorization.

31202230112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11331 (or 11323 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31202230112 its reverse (21103220213), we get a palindrome (52305450325).

The spelling of 31202230112 in words is "thirty-one billion, two hundred two million, two hundred thirty thousand, one hundred twelve".