113000531 has 4 divisors (see below), whose sum is σ = 129143472. Its totient is φ = 96857592.

The previous prime is 113000527. The next prime is 113000533. The reversal of 113000531 is 135000311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113000531 - 2² = 113000527 is a prime.

It is a super-3 number, since 3×113000531³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113000533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8071460 + ... + 8071473.

It is an arithmetic number, because the mean of its divisors is an integer number (32285868).

Almost surely, 2^113000531 is an apocalyptic number.

113000531 is a deficient number, since it is larger than the sum of its proper divisors (16142941).

113000531 is an equidigital number, since it uses as much as digits as its factorization.

113000531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16142940.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 113000531 is about 10630.1707888444. The cubic root of 113000531 is about 483.4595699862.

Adding to 113000531 its reverse (135000311), we get a palindrome (248000842).

The spelling of 113000531 in words is "one hundred thirteen million, five hundred thirty-one", and thus it is an aban number.