331003197 has 12 divisors (see below), whose sum is σ = 546418080. Its totient is φ = 189144648.

The previous prime is 331003177. The next prime is 331003217. The reversal of 331003197 is 791300133.

It is an interprime number because it is at equal distance from previous prime (331003177) and next prime (331003217).

It is not a de Polignac number, because 331003197 - 2⁷ = 331003069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331003197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331003177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2626947 + ... + 2627072.

It is an arithmetic number, because the mean of its divisors is an integer number (45534840).

Almost surely, 2^331003197 is an apocalyptic number.

It is an amenable number.

331003197 is a deficient number, since it is larger than the sum of its proper divisors (215414883).

331003197 is a wasteful number, since it uses less digits than its factorization.

331003197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254032 (or 5254029 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 331003197 is about 18193.4932599542. The cubic root of 331003197 is about 691.7418687350.

The spelling of 331003197 in words is "three hundred thirty-one million, three thousand, one hundred ninety-seven".