1331016131 has 2 divisors, whose sum is σ = 1331016132. Its totient is φ = 1331016130.

The previous prime is 1331016079. The next prime is 1331016163. The reversal of 1331016131 is 1316101331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1331016131 - 2⁶ = 1331016067 is a prime.

It is a super-2 number, since 2×1331016131² = 3543207881964418322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1331016191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665508065 + 665508066.

It is an arithmetic number, because the mean of its divisors is an integer number (665508066).

Almost surely, 2^1331016131 is an apocalyptic number.

1331016131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331016131 is an equidigital number, since it uses as much as digits as its factorization.

1331016131 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 20.

The square root of 1331016131 is about 36483.0937695805. The cubic root of 1331016131 is about 1100.0044437837.

Adding to 1331016131 its reverse (1316101331), we get a palindrome (2647117462).

The spelling of 1331016131 in words is "one billion, three hundred thirty-one million, sixteen thousand, one hundred thirty-one".