2104431311 has 8 divisors (see below), whose sum is σ = 2178152064. Its totient is φ = 2031075360.

The previous prime is 2104431269. The next prime is 2104431319. The reversal of 2104431311 is 1131344012.

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

It is not a de Polignac number, because 2104431311 - 2⁶ = 2104431247 is a prime.

It is a super-2 number, since 2×2104431311² = 8857262285434357442, 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 (2104431319) 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, 79436 + ... + 102561.

It is an arithmetic number, because the mean of its divisors is an integer number (272269008).

Almost surely, 2^2104431311 is an apocalyptic number.

2104431311 is a deficient number, since it is larger than the sum of its proper divisors (73720753).

2104431311 is a wasteful number, since it uses less digits than its factorization.

2104431311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182401.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2104431311 is about 45874.0810371172. The cubic root of 2104431311 is about 1281.4792693948.

Adding to 2104431311 its reverse (1131344012), we get a palindrome (3235775323).

The spelling of 2104431311 in words is "two billion, one hundred four million, four hundred thirty-one thousand, three hundred eleven".