311330130 has 16 divisors (see below), whose sum is σ = 747192384. Its totient is φ = 83021360.

The previous prime is 311330119. The next prime is 311330161. The reversal of 311330130 is 31033113.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5188806 + ... + 5188865.

It is an arithmetic number, because the mean of its divisors is an integer number (46699524).

Almost surely, 2^311330130 is an apocalyptic number.

311330130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311330130 is an abundant number, since it is smaller than the sum of its proper divisors (435862254).

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

311330130 is a wasteful number, since it uses less digits than its factorization.

311330130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10377681.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 311330130 is about 17644.5495833699. The cubic root of 311330130 is about 677.7565410548.

Adding to 311330130 its reverse (31033113), we get a palindrome (342363243).

The spelling of 311330130 in words is "three hundred eleven million, three hundred thirty thousand, one hundred thirty".