331623711541 has 2 divisors, whose sum is σ = 331623711542. Its totient is φ = 331623711540.

The previous prime is 331623711527. The next prime is 331623711593. The reversal of 331623711541 is 145117326133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320068536516 + 11555175025 = 565746^2 + 107495^2 .

It is a cyclic number.

It is not a de Polignac number, because 331623711541 - 2⁵ = 331623711509 is a prime.

It is a super-5 number, since 5×331623711541⁵ (a number of 59 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331623711541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331623711641) 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, 165811855770 + 165811855771.

It is an arithmetic number, because the mean of its divisors is an integer number (165811855771).

Almost surely, 2^331623711541 is an apocalyptic number.

It is an amenable number.

331623711541 is a deficient number, since it is larger than the sum of its proper divisors (1).

331623711541 is an equidigital number, since it uses as much as digits as its factorization.

331623711541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The spelling of 331623711541 in words is "three hundred thirty-one billion, six hundred twenty-three million, seven hundred eleven thousand, five hundred forty-one".