113031100097 has 6 divisors (see below), whose sum is σ = 120071099718. Its totient is φ = 106382211584.

The previous prime is 113031100093. The next prime is 113031100121. The reversal of 113031100097 is 790001130311.

It can be written as a sum of positive squares in 3 ways, for example, as 28326236416 + 84704863681 = 168304^2 + 291041^2 .

It is not a de Polignac number, because 113031100097 - 2² = 113031100093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113031100093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195555248 + ... + 195555825.

It is an arithmetic number, because the mean of its divisors is an integer number (20011849953).

Almost surely, 2^113031100097 is an apocalyptic number.

113031100097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

113031100097 is a deficient number, since it is larger than the sum of its proper divisors (7039999621).

113031100097 is an equidigital number, since it uses as much as digits as its factorization.

113031100097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391111107 (or 391111090 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 26.

The spelling of 113031100097 in words is "one hundred thirteen billion, thirty-one million, one hundred thousand, ninety-seven".