331420130 has 32 divisors (see below), whose sum is σ = 609389568. Its totient is φ = 129729600.

The previous prime is 331420129. The next prime is 331420153. The reversal of 331420130 is 31024133.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 331420099 and 331420108.

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, 333935 + ... + 334925.

It is an arithmetic number, because the mean of its divisors is an integer number (19043424).

Almost surely, 2^331420130 is an apocalyptic number.

331420130 is a deficient number, since it is larger than the sum of its proper divisors (277969438).

331420130 is a wasteful number, since it uses less digits than its factorization.

331420130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 331420130 is about 18204.9479537844. The cubic root of 331420130 is about 692.0321871827.

Adding to 331420130 its reverse (31024133), we get a palindrome (362444263).

The spelling of 331420130 in words is "three hundred thirty-one million, four hundred twenty thousand, one hundred thirty".