331152494 has 4 divisors (see below), whose sum is σ = 496728744. Its totient is φ = 165576246.

The previous prime is 331152491. The next prime is 331152499. The reversal of 331152494 is 494251133.

331152494 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 331152494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331152491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82788122 + ... + 82788125.

It is an arithmetic number, because the mean of its divisors is an integer number (124182186).

Almost surely, 2^331152494 is an apocalyptic number.

331152494 is a deficient number, since it is larger than the sum of its proper divisors (165576250).

331152494 is a wasteful number, since it uses less digits than its factorization.

331152494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165576249.

The product of its digits is 12960, while the sum is 32.

The square root of 331152494 is about 18197.5958302189. The cubic root of 331152494 is about 691.8458551047.

The spelling of 331152494 in words is "three hundred thirty-one million, one hundred fifty-two thousand, four hundred ninety-four".