331648151 has 2 divisors, whose sum is σ = 331648152. Its totient is φ = 331648150.

The previous prime is 331648133. The next prime is 331648153. The reversal of 331648151 is 151846133.

It is a strong prime.

It is an emirp because it is prime and its reverse (151846133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331648151 - 2¹⁸ = 331386007 is a prime.

It is a Sophie Germain prime.

Together with 331648153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331648153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165824075 + 165824076.

It is an arithmetic number, because the mean of its divisors is an integer number (165824076).

Almost surely, 2^331648151 is an apocalyptic number.

331648151 is a deficient number, since it is larger than the sum of its proper divisors (1).

331648151 is an equidigital number, since it uses as much as digits as its factorization.

331648151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 331648151 is about 18211.2094875656. The cubic root of 331648151 is about 692.1908595967.

The spelling of 331648151 in words is "three hundred thirty-one million, six hundred forty-eight thousand, one hundred fifty-one".