331744601 has 8 divisors (see below), whose sum is σ = 343463880. Its totient is φ = 320044032.

The previous prime is 331744597. The next prime is 331744603. The reversal of 331744601 is 106447133.

It can be written as a sum of positive squares in 4 ways, for example, as 53655625 + 278088976 = 7325^2 + 16676^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331744601 - 2² = 331744597 is a prime.

It is a super-2 number, since 2×331744601² = 220108960585298402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331744603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38201 + ... + 46073.

It is an arithmetic number, because the mean of its divisors is an integer number (42932985).

Almost surely, 2^331744601 is an apocalyptic number.

It is an amenable number.

331744601 is a deficient number, since it is larger than the sum of its proper divisors (11719279).

331744601 is a wasteful number, since it uses less digits than its factorization.

331744601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9355.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 331744601 is about 18213.8573893615. The cubic root of 331744601 is about 692.2579541339.

The spelling of 331744601 in words is "three hundred thirty-one million, seven hundred forty-four thousand, six hundred one".