104311231 has 8 divisors (see below), whose sum is σ = 108162000. Its totient is φ = 100477440.

The previous prime is 104311217. The next prime is 104311237. The reversal of 104311231 is 132113401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104311231 - 2²³ = 95922623 is a prime.

It is a super-2 number, since 2×104311231² = 21761665825470722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104311237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9016 + ... + 17026.

It is an arithmetic number, because the mean of its divisors is an integer number (13520250).

Almost surely, 2^104311231 is an apocalyptic number.

104311231 is a deficient number, since it is larger than the sum of its proper divisors (3850769).

104311231 is an equidigital number, since it uses as much as digits as its factorization.

104311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8489.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 104311231 is about 10213.2869831411. The cubic root of 104311231 is about 470.7355782191.

Adding to 104311231 its reverse (132113401), we get a palindrome (236424632).

The spelling of 104311231 in words is "one hundred four million, three hundred eleven thousand, two hundred thirty-one".