331130223 has 6 divisors (see below), whose sum is σ = 478299224. Its totient is φ = 220753476.

The previous prime is 331130221. The next prime is 331130249. The reversal of 331130223 is 322031133.

It is not a de Polignac number, because 331130223 - 2¹ = 331130221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331130196 and 331130205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331130221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18396115 + ... + 18396132.

Almost surely, 2^331130223 is an apocalyptic number.

331130223 is a deficient number, since it is larger than the sum of its proper divisors (147169001).

331130223 is a wasteful number, since it uses less digits than its factorization.

331130223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36792253 (or 36792250 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 331130223 is about 18196.9838984377. The cubic root of 331130223 is about 691.8303451863.

Adding to 331130223 its reverse (322031133), we get a palindrome (653161356).

It can be divided in two parts, 33 and 1130223, that added together give a triangular number (1130256 = T₁₅₀₃).

The spelling of 331130223 in words is "three hundred thirty-one million, one hundred thirty thousand, two hundred twenty-three".