1332313181 has 2 divisors, whose sum is σ = 1332313182. Its totient is φ = 1332313180.

The previous prime is 1332313123. The next prime is 1332313189. The reversal of 1332313181 is 1813132331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1329769156 + 2544025 = 36466^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332313181 - 2¹⁸ = 1332051037 is a prime.

It is a super-2 number, since 2×1332313181² = 3550116824532677522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1332313181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1332313189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666156590 + 666156591.

It is an arithmetic number, because the mean of its divisors is an integer number (666156591).

Almost surely, 2^1332313181 is an apocalyptic number.

It is an amenable number.

1332313181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332313181 is an equidigital number, since it uses as much as digits as its factorization.

1332313181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 1332313181 is about 36500.8654828896. The cubic root of 1332313181 is about 1100.3616389448.

The spelling of 1332313181 in words is "one billion, three hundred thirty-two million, three hundred thirteen thousand, one hundred eighty-one".