331142062541 has 2 divisors, whose sum is σ = 331142062542. Its totient is φ = 331142062540.

The previous prime is 331142062453. The next prime is 331142062549. The reversal of 331142062541 is 145260241133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185412054025 + 145730008516 = 430595^2 + 381746^2 .

It is a cyclic number.

It is not a de Polignac number, because 331142062541 - 2¹⁸ = 331141800397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331142062498 and 331142062507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331142062549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165571031270 + 165571031271.

It is an arithmetic number, because the mean of its divisors is an integer number (165571031271).

Almost surely, 2^331142062541 is an apocalyptic number.

It is an amenable number.

331142062541 is a deficient number, since it is larger than the sum of its proper divisors (1).

331142062541 is an equidigital number, since it uses as much as digits as its factorization.

331142062541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 331142062541 in words is "three hundred thirty-one billion, one hundred forty-two million, sixty-two thousand, five hundred forty-one".