331961741 has 2 divisors, whose sum is σ = 331961742. Its totient is φ = 331961740.

The previous prime is 331961717. The next prime is 331961759. The reversal of 331961741 is 147169133.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325044841 + 6916900 = 18029^2 + 2630^2 .

It is an emirp because it is prime and its reverse (147169133) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331961741 is a prime.

It is a super-3 number, since 3×331961741³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331961761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165980870 + 165980871.

It is an arithmetic number, because the mean of its divisors is an integer number (165980871).

Almost surely, 2^331961741 is an apocalyptic number.

It is an amenable number.

331961741 is a deficient number, since it is larger than the sum of its proper divisors (1).

331961741 is an equidigital number, since it uses as much as digits as its factorization.

331961741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 331961741 is about 18219.8172603350. The cubic root of 331961741 is about 692.4089579558.

The spelling of 331961741 in words is "three hundred thirty-one million, nine hundred sixty-one thousand, seven hundred forty-one".