331147540957 has 2 divisors, whose sum is σ = 331147540958. Its totient is φ = 331147540956.

The previous prime is 331147540951. The next prime is 331147540963. The reversal of 331147540957 is 759045741133.

It is a balanced prime because it is at equal distance from previous prime (331147540951) and next prime (331147540963).

It can be written as a sum of positive squares in only one way, i.e., 314150161081 + 16997379876 = 560491^2 + 130374^2 .

It is a cyclic number.

It is not a de Polignac number, because 331147540957 - 2³ = 331147540949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331147540957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331147540951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165573770478 + 165573770479.

It is an arithmetic number, because the mean of its divisors is an integer number (165573770479).

Almost surely, 2^331147540957 is an apocalyptic number.

It is an amenable number.

331147540957 is a deficient number, since it is larger than the sum of its proper divisors (1).

331147540957 is an equidigital number, since it uses as much as digits as its factorization.

331147540957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 331147540957 in words is "three hundred thirty-one billion, one hundred forty-seven million, five hundred forty thousand, nine hundred fifty-seven".