63122431 has 2 divisors, whose sum is σ = 63122432. Its totient is φ = 63122430.

The previous prime is 63122399. The next prime is 63122441. The reversal of 63122431 is 13422136.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63122431 - 2⁵ = 63122399 is a prime.

It is a super-2 number, since 2×63122431² = 7968882590699522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63122441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31561215 + 31561216.

It is an arithmetic number, because the mean of its divisors is an integer number (31561216).

Almost surely, 2^63122431 is an apocalyptic number.

63122431 is a deficient number, since it is larger than the sum of its proper divisors (1).

63122431 is an equidigital number, since it uses as much as digits as its factorization.

63122431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 63122431 is about 7944.9626179108. The cubic root of 63122431 is about 398.1633105882.

Adding to 63122431 its reverse (13422136), we get a palindrome (76544567).

The spelling of 63122431 in words is "sixty-three million, one hundred twenty-two thousand, four hundred thirty-one".