331130131 has 24 divisors (see below), whose sum is σ = 365379120. Its totient is φ = 299791872.

The previous prime is 331130101. The next prime is 331130171. The reversal of 331130131 is 131031133.

It is not a de Polignac number, because 331130131 - 2¹⁹ = 330605843 is a prime.

It is a super-2 number, since 2×331130131² = 219294327312154322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331130101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1849800 + ... + 1849978.

It is an arithmetic number, because the mean of its divisors is an integer number (15224130).

Almost surely, 2^331130131 is an apocalyptic number.

331130131 is a deficient number, since it is larger than the sum of its proper divisors (34248989).

331130131 is a wasteful number, since it uses less digits than its factorization.

331130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 331130131 is about 18196.9813705460. The cubic root of 331130131 is about 691.8302811144.

Adding to 331130131 its reverse (131031133), we get a palindrome (462161264).

The spelling of 331130131 in words is "three hundred thirty-one million, one hundred thirty thousand, one hundred thirty-one".