63130031 has 2 divisors, whose sum is σ = 63130032. Its totient is φ = 63130030.

The previous prime is 63130019. The next prime is 63130051. The reversal of 63130031 is 13003136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63130031 - 2⁶ = 63129967 is a prime.

It is a super-2 number, since 2×63130031² = 7970801628121922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 63129991 and 63130009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63130051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31565015 + 31565016.

It is an arithmetic number, because the mean of its divisors is an integer number (31565016).

Almost surely, 2^63130031 is an apocalyptic number.

63130031 is a deficient number, since it is larger than the sum of its proper divisors (1).

63130031 is an equidigital number, since it uses as much as digits as its factorization.

63130031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 63130031 is about 7945.4408939970. The cubic root of 63130031 is about 398.1792896925.

Adding to 63130031 its reverse (13003136), we get a palindrome (76133167).

The spelling of 63130031 in words is "sixty-three million, one hundred thirty thousand, thirty-one".