113203131100 has 36 divisors (see below), whose sum is σ = 245703024000. Its totient is φ = 45271624960.

The previous prime is 113203131061. The next prime is 113203131103. The reversal of 113203131100 is 1131302311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113203131103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361956 + ... + 597844.

It is an arithmetic number, because the mean of its divisors is an integer number (6825084000).

Almost surely, 2^113203131100 is an apocalyptic number.

113203131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113203131100 is an abundant number, since it is smaller than the sum of its proper divisors (132499892900).

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

113203131100 is a wasteful number, since it uses less digits than its factorization.

113203131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240702 (or 240695 counting only the distinct ones).

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

Adding to 113203131100 its reverse (1131302311), we get a palindrome (114334433411).

The spelling of 113203131100 in words is "one hundred thirteen billion, two hundred three million, one hundred thirty-one thousand, one hundred".