104233531 has 2 divisors, whose sum is σ = 104233532. Its totient is φ = 104233530.

The previous prime is 104233513. The next prime is 104233553. The reversal of 104233531 is 135332401.

Together with previous prime (104233513) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (104233553) can be obtained adding 104233531 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104233531 - 2⁵ = 104233499 is a prime.

It is a super-2 number, since 2×104233531² = 21729257969455922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104233231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52116765 + 52116766.

It is an arithmetic number, because the mean of its divisors is an integer number (52116766).

Almost surely, 2^104233531 is an apocalyptic number.

104233531 is a deficient number, since it is larger than the sum of its proper divisors (1).

104233531 is an equidigital number, since it uses as much as digits as its factorization.

104233531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 104233531 is about 10209.4824060772. The cubic root of 104233531 is about 470.6186677020.

Adding to 104233531 its reverse (135332401), we get a palindrome (239565932).

The spelling of 104233531 in words is "one hundred four million, two hundred thirty-three thousand, five hundred thirty-one".