2104985431 has 8 divisors (see below), whose sum is σ = 2150751600. Its totient is φ = 2059641408.

The previous prime is 2104985417. The next prime is 2104985453. The reversal of 2104985431 is 1345894012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2104985431 - 2⁹ = 2104984919 is a prime.

It is a super-2 number, since 2×2104985431² = 8861927329444511522, 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 (2104985411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95446 + ... + 115411.

It is an arithmetic number, because the mean of its divisors is an integer number (268843950).

Almost surely, 2^2104985431 is an apocalyptic number.

2104985431 is a deficient number, since it is larger than the sum of its proper divisors (45766169).

2104985431 is a wasteful number, since it uses less digits than its factorization.

2104985431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211073.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2104985431 is about 45880.1202156228. The cubic root of 2104985431 is about 1281.5917354045.

The spelling of 2104985431 in words is "two billion, one hundred four million, nine hundred eighty-five thousand, four hundred thirty-one".