154113316431397 has 2 divisors, whose sum is σ = 154113316431398. Its totient is φ = 154113316431396.

The previous prime is 154113316431313. The next prime is 154113316431427. The reversal of 154113316431397 is 793134613311451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95376435759396 + 58736880672001 = 9766086^2 + 7663999^2 .

It is a cyclic number.

It is not a de Polignac number, because 154113316431397 - 2⁴⁷ = 13375828076069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154113316431797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77056658215698 + 77056658215699.

It is an arithmetic number, because the mean of its divisors is an integer number (77056658215699).

Almost surely, 2^{154113316431397} is an apocalyptic number.

It is an amenable number.

154113316431397 is a deficient number, since it is larger than the sum of its proper divisors (1).

154113316431397 is an equidigital number, since it uses as much as digits as its factorization.

154113316431397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 52.

The spelling of 154113316431397 in words is "one hundred fifty-four trillion, one hundred thirteen billion, three hundred sixteen million, four hundred thirty-one thousand, three hundred ninety-seven".