63131 has 2 divisors, whose sum is σ = 63132. Its totient is φ = 63130.

The previous prime is 63127. The next prime is 63149. The reversal of 63131 is 13136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63131 - 2² = 63127 is a prime.

It is a super-2 number, since 2×63131² = 7971046322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31565 + 31566.

It is an arithmetic number, because the mean of its divisors is an integer number (31566).

2⁶³¹³¹ is an apocalyptic number.

63131 is a deficient number, since it is larger than the sum of its proper divisors (1).

63131 is an equidigital number, since it uses as much as digits as its factorization.

63131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54, while the sum is 14.

The square root of 63131 is about 251.2588306906. The cubic root of 63131 is about 39.8181326936.

Adding to 63131 its reverse (13136), we get a palindrome (76267).

The spelling of 63131 in words is "sixty-three thousand, one hundred thirty-one".