3131232163 has 2 divisors, whose sum is σ = 3131232164. Its totient is φ = 3131232162.

The previous prime is 3131232157. The next prime is 3131232211. The reversal of 3131232163 is 3612321313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3131232163 - 2²¹ = 3129135011 is a prime.

It is a super-2 number, since 2×3131232163² = 19609229717211317138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3131232463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565616081 + 1565616082.

It is an arithmetic number, because the mean of its divisors is an integer number (1565616082).

Almost surely, 2^3131232163 is an apocalyptic number.

3131232163 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131232163 is an equidigital number, since it uses as much as digits as its factorization.

3131232163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 25.

The square root of 3131232163 is about 55957.4138340935. The cubic root of 3131232163 is about 1462.9801146850.

Adding to 3131232163 its reverse (3612321313), we get a palindrome (6743553476).

The spelling of 3131232163 in words is "three billion, one hundred thirty-one million, two hundred thirty-two thousand, one hundred sixty-three".