331020130 has 32 divisors (see below), whose sum is σ = 699365376. Its totient is φ = 110424384.

The previous prime is 331020119. The next prime is 331020161. The reversal of 331020130 is 31020133.

It is a self number, because there is not a number n which added to its sum of digits gives 331020130.

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, 61314 + ... + 66493.

It is an arithmetic number, because the mean of its divisors is an integer number (21855168).

Almost surely, 2^331020130 is an apocalyptic number.

331020130 is an abundant number, since it is smaller than the sum of its proper divisors (368345246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331020130 is a wasteful number, since it uses less digits than its factorization.

331020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127858.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 331020130 is about 18193.9586126824. The cubic root of 331020130 is about 691.7536642558.

Adding to 331020130 its reverse (31020133), we get a palindrome (362040263).

The spelling of 331020130 in words is "three hundred thirty-one million, twenty thousand, one hundred thirty".