63116831 has 2 divisors, whose sum is σ = 63116832. Its totient is φ = 63116830.

The previous prime is 63116827. The next prime is 63116849. The reversal of 63116831 is 13861136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63116831 - 2² = 63116827 is a prime.

It is a super-2 number, since 2×63116831² = 7967468710965122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63116794 and 63116803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63116861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31558415 + 31558416.

It is an arithmetic number, because the mean of its divisors is an integer number (31558416).

Almost surely, 2^63116831 is an apocalyptic number.

63116831 is a deficient number, since it is larger than the sum of its proper divisors (1).

63116831 is an equidigital number, since it uses as much as digits as its factorization.

63116831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 63116831 is about 7944.6101855283. The cubic root of 63116831 is about 398.1515356906.

Adding to 63116831 its reverse (13861136), we get a palindrome (76977967).

The spelling of 63116831 in words is "sixty-three million, one hundred sixteen thousand, eight hundred thirty-one".