113531069 has 2 divisors, whose sum is σ = 113531070. Its totient is φ = 113531068.

The previous prime is 113531063. The next prime is 113531071. The reversal of 113531069 is 960135311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71605444 + 41925625 = 8462^2 + 6475^2 .

It is a cyclic number.

It is not a de Polignac number, because 113531069 - 2¹⁶ = 113465533 is a prime.

It is a super-2 number, since 2×113531069² = 25778607256565522, which contains 22 as substring.

Together with 113531071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113531063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56765534 + 56765535.

It is an arithmetic number, because the mean of its divisors is an integer number (56765535).

Almost surely, 2^113531069 is an apocalyptic number.

It is an amenable number.

113531069 is a deficient number, since it is larger than the sum of its proper divisors (1).

113531069 is an equidigital number, since it uses as much as digits as its factorization.

113531069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 113531069 is about 10655.0959169779. The cubic root of 113531069 is about 484.2150039116.

The spelling of 113531069 in words is "one hundred thirteen million, five hundred thirty-one thousand, sixty-nine".