113031100123 has 4 divisors (see below), whose sum is σ = 113032296448. Its totient is φ = 113029903800.

The previous prime is 113031100121. The next prime is 113031100159. The reversal of 113031100123 is 321001130311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113031100123 - 2¹ = 113031100121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113031100097 and 113031100106.

It is not an unprimeable number, because it can be changed into a prime (113031100121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443028 + ... + 649873.

It is an arithmetic number, because the mean of its divisors is an integer number (28258074112).

Almost surely, 2^113031100123 is an apocalyptic number.

113031100123 is a deficient number, since it is larger than the sum of its proper divisors (1196325).

113031100123 is a wasteful number, since it uses less digits than its factorization.

113031100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196324.

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

Adding to 113031100123 its reverse (321001130311), we get a palindrome (434032230434).

The spelling of 113031100123 in words is "one hundred thirteen billion, thirty-one million, one hundred thousand, one hundred twenty-three".