113194531 has 2 divisors, whose sum is σ = 113194532. Its totient is φ = 113194530.

The previous prime is 113194513. The next prime is 113194553. The reversal of 113194531 is 135491311.

Together with previous prime (113194513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (135491311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113194531 - 2¹¹ = 113192483 is a prime.

It is a super-2 number, since 2×113194531² = 25626003696619922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113194531.

It is not a weakly prime, because it can be changed into another prime (113104531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56597265 + 56597266.

It is an arithmetic number, because the mean of its divisors is an integer number (56597266).

Almost surely, 2^113194531 is an apocalyptic number.

113194531 is a deficient number, since it is larger than the sum of its proper divisors (1).

113194531 is an equidigital number, since it uses as much as digits as its factorization.

113194531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 28.

The square root of 113194531 is about 10639.2918467349. The cubic root of 113194531 is about 483.7360805864.

The spelling of 113194531 in words is "one hundred thirteen million, one hundred ninety-four thousand, five hundred thirty-one".