2104431431 has 8 divisors (see below), whose sum is σ = 2234796720. Its totient is φ = 1976026752.

The previous prime is 2104431403. The next prime is 2104431451. The reversal of 2104431431 is 1341344012.

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

It is not a de Polignac number, because 2104431431 - 2⁶ = 2104431367 is a prime.

It is a super-2 number, since 2×2104431431² = 8857263295561415522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2104431397 and 2104431406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104431451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487940 + ... + 492233.

It is an arithmetic number, because the mean of its divisors is an integer number (279349590).

Almost surely, 2^2104431431 is an apocalyptic number.

2104431431 is a deficient number, since it is larger than the sum of its proper divisors (130365289).

2104431431 is a wasteful number, since it uses less digits than its factorization.

2104431431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980305.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2104431431 is about 45874.0823450453. The cubic root of 2104431431 is about 1281.4792937525.

Adding to 2104431431 its reverse (1341344012), we get a palindrome (3445775443).

The spelling of 2104431431 in words is "two billion, one hundred four million, four hundred thirty-one thousand, four hundred thirty-one".