2104003431 has 20 divisors (see below), whose sum is σ = 3148268992. Its totient is φ = 1400325408.

The previous prime is 2104003397. The next prime is 2104003463. The reversal of 2104003431 is 1343004012.

It is not a de Polignac number, because 2104003431 - 2⁷ = 2104003303 is a prime.

It is a super-2 number, since 2×2104003431² = 8853660875319543522, 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 (2104003481) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27771 + ... + 70563.

Almost surely, 2^2104003431 is an apocalyptic number.

2104003431 is a deficient number, since it is larger than the sum of its proper divisors (1044265561).

2104003431 is an equidigital number, since it uses as much as digits as its factorization.

2104003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43412 (or 43403 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2104003431 is about 45869.4171643809. The cubic root of 2104003431 is about 1281.3924119600.

Adding to 2104003431 its reverse (1343004012), we get a palindrome (3447007443).

The spelling of 2104003431 in words is "two billion, one hundred four million, three thousand, four hundred thirty-one".