2104005431 has 32 divisors (see below), whose sum is σ = 2488320000. Its totient is φ = 1759706080.

The previous prime is 2104005401. The next prime is 2104005443. The reversal of 2104005431 is 1345004012.

It is not a de Polignac number, because 2104005431 - 2⁶ = 2104005367 is a prime.

It is a super-2 number, since 2×2104005431² = 8853677707354991522, 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 (2104005401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 700070 + ... + 703068.

It is an arithmetic number, because the mean of its divisors is an integer number (77760000).

Almost surely, 2^2104005431 is an apocalyptic number.

2104005431 is a deficient number, since it is larger than the sum of its proper divisors (384314569).

2104005431 is a wasteful number, since it uses less digits than its factorization.

2104005431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2104005431 is about 45869.4389653939. The cubic root of 2104005431 is about 1281.3928179771.

Adding to 2104005431 its reverse (1345004012), we get a palindrome (3449009443).

The spelling of 2104005431 in words is "two billion, one hundred four million, five thousand, four hundred thirty-one".