104263131 has 12 divisors (see below), whose sum is σ = 161714472. Its totient is φ = 59578848.

The previous prime is 104263129. The next prime is 104263147. The reversal of 104263131 is 131362401.

It is not a de Polignac number, because 104263131 - 2¹ = 104263129 is a prime.

It is a super-2 number, since 2×104263131² = 21741600971846322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 104263098 and 104263107.

It is not an unprimeable number, because it can be changed into a prime (104263231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354490 + ... + 354783.

It is an arithmetic number, because the mean of its divisors is an integer number (13476206).

Almost surely, 2^104263131 is an apocalyptic number.

104263131 is a deficient number, since it is larger than the sum of its proper divisors (57451341).

104263131 is an equidigital number, since it uses as much as digits as its factorization.

104263131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709290 (or 709283 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 104263131 is about 10210.9319359204. The cubic root of 104263131 is about 470.6632118904.

The spelling of 104263131 in words is "one hundred four million, two hundred sixty-three thousand, one hundred thirty-one".