331713541 has 2 divisors, whose sum is σ = 331713542. Its totient is φ = 331713540.

The previous prime is 331713509. The next prime is 331713553. The reversal of 331713541 is 145317133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216237025 + 115476516 = 14705^2 + 10746^2 .

It is a cyclic number.

It is not a de Polignac number, because 331713541 - 2⁵ = 331713509 is a prime.

It is a super-2 number, since 2×331713541² = 220067746565517362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331717541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165856770 + 165856771.

It is an arithmetic number, because the mean of its divisors is an integer number (165856771).

Almost surely, 2^331713541 is an apocalyptic number.

It is an amenable number.

331713541 is a deficient number, since it is larger than the sum of its proper divisors (1).

331713541 is an equidigital number, since it uses as much as digits as its factorization.

331713541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 28.

The square root of 331713541 is about 18213.0047219013. The cubic root of 331713541 is about 692.2363489562.

The spelling of 331713541 in words is "three hundred thirty-one million, seven hundred thirteen thousand, five hundred forty-one".