2431313204123 has 4 divisors (see below), whose sum is σ = 2497024371840. Its totient is φ = 2365602036408.

The previous prime is 2431313204119. The next prime is 2431313204129. The reversal of 2431313204123 is 3214023131342.

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 2431313204123 - 2² = 2431313204119 is a prime.

It is a super-2 number, since 2×2431313204123² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2431313204129) 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, 32855583803 + ... + 32855583876.

It is an arithmetic number, because the mean of its divisors is an integer number (624256092960).

Almost surely, 2^{2431313204123} is an apocalyptic number.

2431313204123 is a deficient number, since it is larger than the sum of its proper divisors (65711167717).

2431313204123 is an equidigital number, since it uses as much as digits as its factorization.

2431313204123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65711167716.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 2431313204123 its reverse (3214023131342), we get a palindrome (5645336335465).

The spelling of 2431313204123 in words is "two trillion, four hundred thirty-one billion, three hundred thirteen million, two hundred four thousand, one hundred twenty-three".