12331431413 has 4 divisors (see below), whose sum is σ = 14093064480. Its totient is φ = 10569798348.

The previous prime is 12331431397. The next prime is 12331431421. The reversal of 12331431413 is 31413413321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31413413321 = 29 ⋅1083221149.

It is a cyclic number.

It is not a de Polignac number, because 12331431413 - 2⁴ = 12331431397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331431473) 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, 880816523 + ... + 880816536.

It is an arithmetic number, because the mean of its divisors is an integer number (3523266120).

Almost surely, 2^12331431413 is an apocalyptic number.

It is an amenable number.

12331431413 is a deficient number, since it is larger than the sum of its proper divisors (1761633067).

12331431413 is an equidigital number, since it uses as much as digits as its factorization.

12331431413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761633066.

The product of its digits is 2592, while the sum is 26.

Adding to 12331431413 its reverse (31413413321), we get a palindrome (43744844734).

The spelling of 12331431413 in words is "twelve billion, three hundred thirty-one million, four hundred thirty-one thousand, four hundred thirteen".