127996000031 has 2 divisors, whose sum is σ = 127996000032. Its totient is φ = 127996000030.

The previous prime is 127995999991. The next prime is 127996000043. The reversal of 127996000031 is 130000699721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127996000031 - 2¹⁸ = 127995737887 is a prime.

It is a super-2 number, since 2×127996000031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127996000331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63998000015 + 63998000016.

It is an arithmetic number, because the mean of its divisors is an integer number (63998000016).

Almost surely, 2^127996000031 is an apocalyptic number.

127996000031 is the 159998-th centered decagonal number.

127996000031 is a deficient number, since it is larger than the sum of its proper divisors (1).

127996000031 is an equidigital number, since it uses as much as digits as its factorization.

127996000031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

Adding to 127996000031 its reverse (130000699721), we get a palindrome (257996699752).

The spelling of 127996000031 in words is "one hundred twenty-seven billion, nine hundred ninety-six million, thirty-one", and thus it is an aban number.