331123130 has 32 divisors (see below), whose sum is σ = 643507200. Its totient is φ = 121948992.

The previous prime is 331123123. The next prime is 331123141. The reversal of 331123130 is 31321133.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 331123099 and 331123108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51431 + ... + 57509.

It is an arithmetic number, because the mean of its divisors is an integer number (20109600).

Almost surely, 2^331123130 is an apocalyptic number.

331123130 is a deficient number, since it is larger than the sum of its proper divisors (312384070).

331123130 is a wasteful number, since it uses less digits than its factorization.

331123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 331123130 is about 18196.7890024586. The cubic root of 331123130 is about 691.8254053496.

Adding to 331123130 its reverse (31321133), we get a palindrome (362444263).

The spelling of 331123130 in words is "three hundred thirty-one million, one hundred twenty-three thousand, one hundred thirty".