201310031100 has 72 divisors (see below), whose sum is σ = 587611609200. Its totient is φ = 53207598080.

The previous prime is 201310031093. The next prime is 201310031113. The reversal of 201310031100 is 1130013102.

201310031100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2935275 + ... + 3003074.

It is an arithmetic number, because the mean of its divisors is an integer number (8161272350).

Almost surely, 2^201310031100 is an apocalyptic number.

201310031100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201310031100 is an abundant number, since it is smaller than the sum of its proper divisors (386301578100).

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

201310031100 is a wasteful number, since it uses less digits than its factorization.

201310031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5938479 (or 5938472 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 201310031100 its reverse (1130013102), we get a palindrome (202440044202).

The spelling of 201310031100 in words is "two hundred one billion, three hundred ten million, thirty-one thousand, one hundred".