331468153 has 2 divisors, whose sum is σ = 331468154. Its totient is φ = 331468152.

The previous prime is 331468139. The next prime is 331468169. The reversal of 331468153 is 351864133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284023609 + 47444544 = 16853^2 + 6888^2 .

It is an emirp because it is prime and its reverse (351864133) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331468153 is a prime.

It is a super-2 number, since 2×331468153² = 219742272906462818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (331468133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165734076 + 165734077.

It is an arithmetic number, because the mean of its divisors is an integer number (165734077).

Almost surely, 2^331468153 is an apocalyptic number.

It is an amenable number.

331468153 is a deficient number, since it is larger than the sum of its proper divisors (1).

331468153 is an equidigital number, since it uses as much as digits as its factorization.

331468153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 331468153 is about 18206.2668606170. The cubic root of 331468153 is about 692.0656108784.

The spelling of 331468153 in words is "three hundred thirty-one million, four hundred sixty-eight thousand, one hundred fifty-three".