331163245 has 16 divisors (see below), whose sum is σ = 460948608. Its totient is φ = 223692480.

The previous prime is 331163233. The next prime is 331163291. The reversal of 331163245 is 542361133.

It is not a de Polignac number, because 331163245 - 2¹⁷ = 331032173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68266 + ... + 72955.

It is an arithmetic number, because the mean of its divisors is an integer number (28809288).

Almost surely, 2^331163245 is an apocalyptic number.

331163245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

331163245 is a deficient number, since it is larger than the sum of its proper divisors (129785363).

331163245 is a wasteful number, since it uses less digits than its factorization.

331163245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141300.

The product of its digits is 6480, while the sum is 28.

The square root of 331163245 is about 18197.8912239853. The cubic root of 331163245 is about 691.8533420424.

The spelling of 331163245 in words is "three hundred thirty-one million, one hundred sixty-three thousand, two hundred forty-five".