3431312303123 has 4 divisors (see below), whose sum is σ = 3436503396528. Its totient is φ = 3426121209720.

The previous prime is 3431312303063. The next prime is 3431312303131. The reversal of 3431312303123 is 3213032131343.

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 3431312303123 - 2²⁴ = 3431295525907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3431312303323) 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, 2595545711 + ... + 2595547032.

It is an arithmetic number, because the mean of its divisors is an integer number (859125849132).

Almost surely, 2^{3431312303123} is an apocalyptic number.

3431312303123 is a deficient number, since it is larger than the sum of its proper divisors (5191093405).

3431312303123 is an equidigital number, since it uses as much as digits as its factorization.

3431312303123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191093404.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 3431312303123 its reverse (3213032131343), we get a palindrome (6644344434466).

The spelling of 3431312303123 in words is "three trillion, four hundred thirty-one billion, three hundred twelve million, three hundred three thousand, one hundred twenty-three".