113622031 has 2 divisors, whose sum is σ = 113622032. Its totient is φ = 113622030.

The previous prime is 113621941. The next prime is 113622043. The reversal of 113622031 is 130226311.

It is a strong prime.

It is an emirp because it is prime and its reverse (130226311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113622031 is a prime.

It is a super-2 number, since 2×113622031² = 25819931857129922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113623031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56811015 + 56811016.

It is an arithmetic number, because the mean of its divisors is an integer number (56811016).

Almost surely, 2^113622031 is an apocalyptic number.

113622031 is a deficient number, since it is larger than the sum of its proper divisors (1).

113622031 is an equidigital number, since it uses as much as digits as its factorization.

113622031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 113622031 is about 10659.3635363468. The cubic root of 113622031 is about 484.3442883670.

Adding to 113622031 its reverse (130226311), we get a palindrome (243848342).

The spelling of 113622031 in words is "one hundred thirteen million, six hundred twenty-two thousand, thirty-one".