113031022100 has 36 divisors (see below), whose sum is σ = 245292063324. Its totient is φ = 45209690880.

The previous prime is 113031022051. The next prime is 113031022121. The reversal of 113031022100 is 1220130311.

It can be written as a sum of positive squares in 6 ways, for example, as 14945551504 + 98085470596 = 122252^2 + 313186^2 .

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, 2888264 + ... + 2927136.

Almost surely, 2^113031022100 is an apocalyptic number.

113031022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113031022100 is an abundant number, since it is smaller than the sum of its proper divisors (132261041224).

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

113031022100 is a wasteful number, since it uses less digits than its factorization.

113031022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67964 (or 67957 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 113031022100 its reverse (1220130311), we get a palindrome (114251152411).

The spelling of 113031022100 in words is "one hundred thirteen billion, thirty-one million, twenty-two thousand, one hundred".