113232530531 has 4 divisors (see below), whose sum is σ = 116292869232. Its totient is φ = 110172191832.

The previous prime is 113232530507. The next prime is 113232530533. The reversal of 113232530531 is 135035232311.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113232530531 is a prime.

It is a super-2 number, since 2×113232530531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113232530494 and 113232530503.

It is not an unprimeable number, because it can be changed into a prime (113232530533) 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, 1530169295 + ... + 1530169368.

It is an arithmetic number, because the mean of its divisors is an integer number (29073217308).

Almost surely, 2^113232530531 is an apocalyptic number.

113232530531 is a deficient number, since it is larger than the sum of its proper divisors (3060338701).

113232530531 is an equidigital number, since it uses as much as digits as its factorization.

113232530531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060338700.

The product of its (nonzero) digits is 8100, while the sum is 29.

Adding to 113232530531 its reverse (135035232311), we get a palindrome (248267762842).

The spelling of 113232530531 in words is "one hundred thirteen billion, two hundred thirty-two million, five hundred thirty thousand, five hundred thirty-one".