31100130200 has 48 divisors (see below), whose sum is σ = 73493205360. Its totient is φ = 12236112000.

The previous prime is 31100130169. The next prime is 31100130251. The reversal of 31100130200 is 203100113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1262396 + ... + 1286795.

It is an arithmetic number, because the mean of its divisors is an integer number (1531108445).

Almost surely, 2^31100130200 is an apocalyptic number.

It is an amenable number.

31100130200 is an abundant number, since it is smaller than the sum of its proper divisors (42393075160).

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

31100130200 is a wasteful number, since it uses less digits than its factorization.

31100130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549268 (or 2549259 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 31100130200 its reverse (203100113), we get a palindrome (31303230313).

The spelling of 31100130200 in words is "thirty-one billion, one hundred million, one hundred thirty thousand, two hundred".