331335149 has 4 divisors (see below), whose sum is σ = 333070080. Its totient is φ = 329600220.

The previous prime is 331335139. The next prime is 331335157. The reversal of 331335149 is 941533133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331335149 - 2⁴ = 331335133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331335139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867179 + ... + 867560.

It is an arithmetic number, because the mean of its divisors is an integer number (83267520).

Almost surely, 2^331335149 is an apocalyptic number.

It is an amenable number.

331335149 is a deficient number, since it is larger than the sum of its proper divisors (1734931).

331335149 is a wasteful number, since it uses less digits than its factorization.

331335149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734930.

The product of its digits is 14580, while the sum is 32.

The square root of 331335149 is about 18202.6137958261. The cubic root of 331335149 is about 691.9730330465.

The spelling of 331335149 in words is "three hundred thirty-one million, three hundred thirty-five thousand, one hundred forty-nine".