2104344131 has 4 divisors (see below), whose sum is σ = 2105217192. Its totient is φ = 2103471072.

The previous prime is 2104344127. The next prime is 2104344157. The reversal of 2104344131 is 1314434012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2104344131 - 2² = 2104344127 is a prime.

It is a super-2 number, since 2×2104344131² = 8856528443348290322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104344097 and 2104344106.

It is not an unprimeable number, because it can be changed into a prime (2104344161) 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, 432905 + ... + 437738.

It is an arithmetic number, because the mean of its divisors is an integer number (526304298).

Almost surely, 2^2104344131 is an apocalyptic number.

2104344131 is a deficient number, since it is larger than the sum of its proper divisors (873061).

2104344131 is an equidigital number, since it uses as much as digits as its factorization.

2104344131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873060.

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

The square root of 2104344131 is about 45873.1308175058. The cubic root of 2104344131 is about 1281.4615732592.

Adding to 2104344131 its reverse (1314434012), we get a palindrome (3418778143).

The spelling of 2104344131 in words is "two billion, one hundred four million, three hundred forty-four thousand, one hundred thirty-one".