331616741 has 2 divisors, whose sum is σ = 331616742. Its totient is φ = 331616740.

The previous prime is 331616689. The next prime is 331616771. The reversal of 331616741 is 147616133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189172516 + 142444225 = 13754^2 + 11935^2 .

It is a cyclic number.

It is not a de Polignac number, because 331616741 - 2¹⁰ = 331615717 is a prime.

It is a super-2 number, since 2×331616741² = 219939325822922162, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 331616698 and 331616707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331616771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165808370 + 165808371.

It is an arithmetic number, because the mean of its divisors is an integer number (165808371).

Almost surely, 2^331616741 is an apocalyptic number.

It is an amenable number.

331616741 is a deficient number, since it is larger than the sum of its proper divisors (1).

331616741 is an equidigital number, since it uses as much as digits as its factorization.

331616741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 331616741 is about 18210.3470862035. The cubic root of 331616741 is about 692.1690067172.

The spelling of 331616741 in words is "three hundred thirty-one million, six hundred sixteen thousand, seven hundred forty-one".