113603131 has 2 divisors, whose sum is σ = 113603132. Its totient is φ = 113603130.

The previous prime is 113603107. The next prime is 113603137. The reversal of 113603131 is 131306311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113603131 - 2¹¹ = 113601083 is a prime.

It is a super-2 number, since 2×113603131² = 25811342746006322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113603099 and 113603108.

It is not a weakly prime, because it can be changed into another prime (113603137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56801565 + 56801566.

It is an arithmetic number, because the mean of its divisors is an integer number (56801566).

Almost surely, 2^113603131 is an apocalyptic number.

113603131 is a deficient number, since it is larger than the sum of its proper divisors (1).

113603131 is an equidigital number, since it uses as much as digits as its factorization.

113603131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 113603131 is about 10658.4769549875. The cubic root of 113603131 is about 484.3174314433.

Adding to 113603131 its reverse (131306311), we get a palindrome (244909442).

The spelling of 113603131 in words is "one hundred thirteen million, six hundred three thousand, one hundred thirty-one".