331045131 has 8 divisors (see below), whose sum is σ = 467357904. Its totient is φ = 207714560.

The previous prime is 331045129. The next prime is 331045153. The reversal of 331045131 is 131540133.

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 331045131 - 2¹ = 331045129 is a prime.

It is a super-2 number, since 2×331045131² = 219181757517614322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331045098 and 331045107.

It is not an unprimeable number, because it can be changed into a prime (331045181) 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, 3245490 + ... + 3245591.

It is an arithmetic number, because the mean of its divisors is an integer number (58419738).

Almost surely, 2^331045131 is an apocalyptic number.

331045131 is a deficient number, since it is larger than the sum of its proper divisors (136312773).

331045131 is a wasteful number, since it uses less digits than its factorization.

331045131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491101.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 331045131 is about 18194.6456684377. The cubic root of 331045131 is about 691.7710792067.

Adding to 331045131 its reverse (131540133), we get a palindrome (462585264).

The spelling of 331045131 in words is "three hundred thirty-one million, forty-five thousand, one hundred thirty-one".