13126433323631 has 2 divisors, whose sum is σ = 13126433323632. Its totient is φ = 13126433323630.

The previous prime is 13126433323603. The next prime is 13126433323643. The reversal of 13126433323631 is 13632333462131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13126433323631 - 2⁴² = 8728386812527 is a prime.

It is a super-2 number, since 2×13126433323631² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13126433323691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6563216661815 + 6563216661816.

It is an arithmetic number, because the mean of its divisors is an integer number (6563216661816).

Almost surely, 2^{13126433323631} is an apocalyptic number.

13126433323631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13126433323631 is an equidigital number, since it uses as much as digits as its factorization.

13126433323631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 41.

Adding to 13126433323631 its reverse (13632333462131), we get a palindrome (26758766785762).

The spelling of 13126433323631 in words is "thirteen trillion, one hundred twenty-six billion, four hundred thirty-three million, three hundred twenty-three thousand, six hundred thirty-one".