127933132917631 has 2 divisors, whose sum is σ = 127933132917632. Its totient is φ = 127933132917630.

The previous prime is 127933132917607. The next prime is 127933132917643. The reversal of 127933132917631 is 136719231339721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127933132917631 - 2⁷ = 127933132917503 is a prime.

It is a super-2 number, since 2×127933132917631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127933132917661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63966566458815 + 63966566458816.

It is an arithmetic number, because the mean of its divisors is an integer number (63966566458816).

Almost surely, 2^{127933132917631} is an apocalyptic number.

127933132917631 is a deficient number, since it is larger than the sum of its proper divisors (1).

127933132917631 is an equidigital number, since it uses as much as digits as its factorization.

127933132917631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7715736, while the sum is 58.

The spelling of 127933132917631 in words is "one hundred twenty-seven trillion, nine hundred thirty-three billion, one hundred thirty-two million, nine hundred seventeen thousand, six hundred thirty-one".