331431001 has 8 divisors (see below), whose sum is σ = 362008224. Its totient is φ = 300928320.

The previous prime is 331430999. The next prime is 331431007. The reversal of 331431001 is 100134133.

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

It is not a de Polignac number, because 331431001 - 2¹ = 331430999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331431007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9120 + ... + 27313.

It is an arithmetic number, because the mean of its divisors is an integer number (45251028).

Almost surely, 2^331431001 is an apocalyptic number.

It is an amenable number.

331431001 is a deficient number, since it is larger than the sum of its proper divisors (30577223).

331431001 is a wasteful number, since it uses less digits than its factorization.

331431001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37271.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 331431001 is about 18205.2465240106. The cubic root of 331431001 is about 692.0397536107.

Adding to 331431001 its reverse (100134133), we get a palindrome (431565134).

The spelling of 331431001 in words is "three hundred thirty-one million, four hundred thirty-one thousand, one".