113328031 has 2 divisors, whose sum is σ = 113328032. Its totient is φ = 113328030.

The previous prime is 113328023. The next prime is 113328053. The reversal of 113328031 is 130823311.

It is an a-pointer prime, because the next prime (113328053) can be obtained adding 113328031 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113328031 - 2³ = 113328023 is a prime.

It is a super-2 number, since 2×113328031² = 25686485220673922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113327993 and 113328011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113328011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56664015 + 56664016.

It is an arithmetic number, because the mean of its divisors is an integer number (56664016).

Almost surely, 2^113328031 is an apocalyptic number.

113328031 is a deficient number, since it is larger than the sum of its proper divisors (1).

113328031 is an equidigital number, since it uses as much as digits as its factorization.

113328031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 113328031 is about 10645.5639117897. The cubic root of 113328031 is about 483.9261763300.

It can be divided in two parts, 1133280 and 31, that added together give a palindrome (1133311).

The spelling of 113328031 in words is "one hundred thirteen million, three hundred twenty-eight thousand, thirty-one".