104781231 has 6 divisors (see below), whose sum is σ = 151350680. Its totient is φ = 69854148.

The previous prime is 104781211. The next prime is 104781269. The reversal of 104781231 is 132187401.

It is not a de Polignac number, because 104781231 - 2²¹ = 102684079 is a prime.

It is a super-2 number, since 2×104781231² = 21958212739750722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104781195 and 104781204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104781211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5821171 + ... + 5821188.

Almost surely, 2^104781231 is an apocalyptic number.

104781231 is a deficient number, since it is larger than the sum of its proper divisors (46569449).

104781231 is a wasteful number, since it uses less digits than its factorization.

104781231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11642365 (or 11642362 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 104781231 is about 10236.2703657143. The cubic root of 104781231 is about 471.4415241227.

The spelling of 104781231 in words is "one hundred four million, seven hundred eighty-one thousand, two hundred thirty-one".