63191600831 has 2 divisors, whose sum is σ = 63191600832. Its totient is φ = 63191600830.

The previous prime is 63191600827. The next prime is 63191600833. The reversal of 63191600831 is 13800619136.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63191600831 - 2² = 63191600827 is a prime.

It is a super-2 number, since 2×63191600831² (a number of 22 digits) contains 22 as substring.

Together with 63191600833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63191600833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31595800415 + 31595800416.

It is an arithmetic number, because the mean of its divisors is an integer number (31595800416).

Almost surely, 2^63191600831 is an apocalyptic number.

63191600831 is a deficient number, since it is larger than the sum of its proper divisors (1).

63191600831 is an equidigital number, since it uses as much as digits as its factorization.

63191600831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 63191600831 in words is "sixty-three billion, one hundred ninety-one million, six hundred thousand, eight hundred thirty-one".