63131303 has 2 divisors, whose sum is σ = 63131304. Its totient is φ = 63131302.

The previous prime is 63131249. The next prime is 63131311. The reversal of 63131303 is 30313136.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63131303 - 2¹⁰ = 63130279 is a prime.

It is a super-2 number, since 2×63131303² = 7971122836955618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63131503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31565651 + 31565652.

It is an arithmetic number, because the mean of its divisors is an integer number (31565652).

Almost surely, 2^63131303 is an apocalyptic number.

63131303 is a deficient number, since it is larger than the sum of its proper divisors (1).

63131303 is an equidigital number, since it uses as much as digits as its factorization.

63131303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 63131303 is about 7945.5209394979. The cubic root of 63131303 is about 398.1819639647.

Adding to 63131303 its reverse (30313136), we get a palindrome (93444439).

The spelling of 63131303 in words is "sixty-three million, one hundred thirty-one thousand, three hundred three".