12331434343461 has 4 divisors (see below), whose sum is σ = 16441912457952. Its totient is φ = 8220956228972.

The previous prime is 12331434343369. The next prime is 12331434343493. The reversal of 12331434343461 is 16434343413321.

12331434343461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 12331434343461 - 2²³ = 12331425954853 is a prime.

It is a super-2 number, since 2×12331434343461² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331434343861) 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, 2055239057241 + ... + 2055239057246.

It is an arithmetic number, because the mean of its divisors is an integer number (4110478114488).

Almost surely, 2^{12331434343461} is an apocalyptic number.

It is an amenable number.

12331434343461 is a deficient number, since it is larger than the sum of its proper divisors (4110478114491).

12331434343461 is an equidigital number, since it uses as much as digits as its factorization.

12331434343461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110478114490.

The product of its digits is 746496, while the sum is 42.

Adding to 12331434343461 its reverse (16434343413321), we get a palindrome (28765777756782).

The spelling of 12331434343461 in words is "twelve trillion, three hundred thirty-one billion, four hundred thirty-four million, three hundred forty-three thousand, four hundred sixty-one".