104011631 has 4 divisors (see below), whose sum is σ = 105774600. Its totient is φ = 102248664.

The previous prime is 104011619. The next prime is 104011657. The reversal of 104011631 is 136110401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136110401 = 7 ⋅19444343.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104011631 is a prime.

It is a super-2 number, since 2×104011631² = 21636838766560322, 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 (104011601) 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, 881396 + ... + 881513.

It is an arithmetic number, because the mean of its divisors is an integer number (26443650).

Almost surely, 2^104011631 is an apocalyptic number.

104011631 is a deficient number, since it is larger than the sum of its proper divisors (1762969).

104011631 is an equidigital number, since it uses as much as digits as its factorization.

104011631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762968.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 104011631 is about 10198.6092679345. The cubic root of 104011631 is about 470.2844678995.

The spelling of 104011631 in words is "one hundred four million, eleven thousand, six hundred thirty-one".