331322032061 has 2 divisors, whose sum is σ = 331322032062. Its totient is φ = 331322032060.

The previous prime is 331322032009. The next prime is 331322032123. The reversal of 331322032061 is 160230223133.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331308452836 + 13579225 = 575594^2 + 3685^2 .

It is an emirp because it is prime and its reverse (160230223133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331322032061 - 2³⁰ = 330248290237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331322032061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331322032001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165661016030 + 165661016031.

It is an arithmetic number, because the mean of its divisors is an integer number (165661016031).

Almost surely, 2^331322032061 is an apocalyptic number.

It is an amenable number.

331322032061 is a deficient number, since it is larger than the sum of its proper divisors (1).

331322032061 is an equidigital number, since it uses as much as digits as its factorization.

331322032061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 331322032061 its reverse (160230223133), we get a palindrome (491552255194).

The spelling of 331322032061 in words is "three hundred thirty-one billion, three hundred twenty-two million, thirty-two thousand, sixty-one".