12431036697461 has 2 divisors, whose sum is σ = 12431036697462. Its totient is φ = 12431036697460.

The previous prime is 12431036697383. The next prime is 12431036697467. The reversal of 12431036697461 is 16479663013421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11963255934436 + 467780763025 = 3458794^2 + 683945^2 .

It is a cyclic number.

It is not a de Polignac number, because 12431036697461 - 2³⁰ = 12429962955637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12431036697467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215518348730 + 6215518348731.

It is an arithmetic number, because the mean of its divisors is an integer number (6215518348731).

Almost surely, 2^{12431036697461} is an apocalyptic number.

It is an amenable number.

12431036697461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431036697461 is an equidigital number, since it uses as much as digits as its factorization.

12431036697461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 12431036697461 in words is "twelve trillion, four hundred thirty-one billion, thirty-six million, six hundred ninety-seven thousand, four hundred sixty-one".