331042030 has 16 divisors (see below), whose sum is σ = 650046384. Its totient is φ = 120378880.

The previous prime is 331042021. The next prime is 331042031. The reversal of 331042030 is 30240133.

It is a junction number, because it is equal to n+sod(n) for n = 331041995 and 331042013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331042031) 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, 1504627 + ... + 1504846.

It is an arithmetic number, because the mean of its divisors is an integer number (40627899).

Almost surely, 2^331042030 is an apocalyptic number.

331042030 is a deficient number, since it is larger than the sum of its proper divisors (319004354).

331042030 is a wasteful number, since it uses less digits than its factorization.

331042030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009491.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 331042030 is about 18194.5604508600. The cubic root of 331042030 is about 691.7689191903.

Adding to 331042030 its reverse (30240133), we get a palindrome (361282163).

The spelling of 331042030 in words is "three hundred thirty-one million, forty-two thousand, thirty".