104307531 has 4 divisors (see below), whose sum is σ = 139076712. Its totient is φ = 69538352.

The previous prime is 104307527. The next prime is 104307601. The reversal of 104307531 is 135703401.

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 104307531 - 2² = 104307527 is a prime.

It is a super-2 number, since 2×104307531² = 21760122046631922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104307521) 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, 17384586 + ... + 17384591.

It is an arithmetic number, because the mean of its divisors is an integer number (34769178).

Almost surely, 2^104307531 is an apocalyptic number.

104307531 is a deficient number, since it is larger than the sum of its proper divisors (34769181).

104307531 is an equidigital number, since it uses as much as digits as its factorization.

104307531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34769180.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 104307531 is about 10213.1058449426. The cubic root of 104307531 is about 470.7300123683.

The spelling of 104307531 in words is "one hundred four million, three hundred seven thousand, five hundred thirty-one".