31110321130 has 192 divisors, whose sum is σ = 70757556480. Its totient is φ = 9637208064.

The previous prime is 31110321119. The next prime is 31110321191. The reversal of 31110321130 is 3112301113.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66617157 + ... + 66617623.

It is an arithmetic number, because the mean of its divisors is an integer number (368528940).

Almost surely, 2^31110321130 is an apocalyptic number.

31110321130 is an abundant number, since it is smaller than the sum of its proper divisors (39647235350).

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

31110321130 is a wasteful number, since it uses less digits than its factorization.

31110321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31110321130 its reverse (3112301113), we get a palindrome (34222622243).

It can be divided in two parts, 311103 and 21130, that added together give a palindrome (332233).

The spelling of 31110321130 in words is "thirty-one billion, one hundred ten million, three hundred twenty-one thousand, one hundred thirty".