331701413 has 2 divisors, whose sum is σ = 331701414. Its totient is φ = 331701412.

The previous prime is 331701407. The next prime is 331701493. The reversal of 331701413 is 314107133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202265284 + 129436129 = 14222^2 + 11377^2 .

It is an emirp because it is prime and its reverse (314107133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331701413 - 2⁴ = 331701397 is a prime.

It is a super-2 number, since 2×331701413² = 220051654772393138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331701493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165850706 + 165850707.

It is an arithmetic number, because the mean of its divisors is an integer number (165850707).

Almost surely, 2^331701413 is an apocalyptic number.

It is an amenable number.

331701413 is a deficient number, since it is larger than the sum of its proper divisors (1).

331701413 is an equidigital number, since it uses as much as digits as its factorization.

331701413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 331701413 is about 18212.6717699518. The cubic root of 331701413 is about 692.2279124151.

Adding to 331701413 its reverse (314107133), we get a palindrome (645808546).

The spelling of 331701413 in words is "three hundred thirty-one million, seven hundred one thousand, four hundred thirteen".