3331321157 has 2 divisors, whose sum is σ = 3331321158. Its totient is φ = 3331321156.

The previous prime is 3331321141. The next prime is 3331321183. The reversal of 3331321157 is 7511231333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3290284321 + 41036836 = 57361^2 + 6406^2 .

It is a cyclic number.

It is not a de Polignac number, because 3331321157 - 2⁴ = 3331321141 is a prime.

It is a super-2 number, since 2×3331321157² = 22195401302151637298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3331321187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665660578 + 1665660579.

It is an arithmetic number, because the mean of its divisors is an integer number (1665660579).

Almost surely, 2^3331321157 is an apocalyptic number.

It is an amenable number.

3331321157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331321157 is an equidigital number, since it uses as much as digits as its factorization.

3331321157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 29.

The square root of 3331321157 is about 57717.5983301454. The cubic root of 3331321157 is about 1493.5009424646.

The spelling of 3331321157 in words is "three billion, three hundred thirty-one million, three hundred twenty-one thousand, one hundred fifty-seven".