113181319 has 2 divisors, whose sum is σ = 113181320. Its totient is φ = 113181318.

The previous prime is 113181281. The next prime is 113181323. The reversal of 113181319 is 913181311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113181319 - 2⁷ = 113181191 is a prime.

It is a super-2 number, since 2×113181319² = 25620021941159522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113181329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56590659 + 56590660.

It is an arithmetic number, because the mean of its divisors is an integer number (56590660).

Almost surely, 2^113181319 is an apocalyptic number.

113181319 is a deficient number, since it is larger than the sum of its proper divisors (1).

113181319 is an equidigital number, since it uses as much as digits as its factorization.

113181319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 28.

The square root of 113181319 is about 10638.6709226294. The cubic root of 113181319 is about 483.7172593892.

The spelling of 113181319 in words is "one hundred thirteen million, one hundred eighty-one thousand, three hundred nineteen".