1313332061 has 2 divisors, whose sum is σ = 1313332062. Its totient is φ = 1313332060.

The previous prime is 1313331989. The next prime is 1313332063. The reversal of 1313332061 is 1602333131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1084384900 + 228947161 = 32930^2 + 15131^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313332061 - 2¹⁴ = 1313315677 is a prime.

It is a super-2 number, since 2×1313332061² = 3449682204901015442, which contains 22 as substring.

Together with 1313332063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313332063) 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, 656666030 + 656666031.

It is an arithmetic number, because the mean of its divisors is an integer number (656666031).

Almost surely, 2^1313332061 is an apocalyptic number.

It is an amenable number.

1313332061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313332061 is an equidigital number, since it uses as much as digits as its factorization.

1313332061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1313332061 is about 36239.9235788377. The cubic root of 1313332061 is about 1095.1111028958. Note that the first 4 decimals are identical.

Adding to 1313332061 its reverse (1602333131), we get a palindrome (2915665192).

The spelling of 1313332061 in words is "one billion, three hundred thirteen million, three hundred thirty-two thousand, sixty-one".