13231154410477 has 2 divisors, whose sum is σ = 13231154410478. Its totient is φ = 13231154410476.

The previous prime is 13231154410417. The next prime is 13231154410493. The reversal of 13231154410477 is 77401445113231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8330646873796 + 4900507536681 = 2886286^2 + 2213709^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231154410477 - 2¹¹ = 13231154408429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231154410417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615577205238 + 6615577205239.

It is an arithmetic number, because the mean of its divisors is an integer number (6615577205239).

Almost surely, 2^{13231154410477} is an apocalyptic number.

It is an amenable number.

13231154410477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231154410477 is an equidigital number, since it uses as much as digits as its factorization.

13231154410477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 13231154410477 in words is "thirteen trillion, two hundred thirty-one billion, one hundred fifty-four million, four hundred ten thousand, four hundred seventy-seven".