311203000130 has 64 divisors (see below), whose sum is σ = 643367577600. Its totient is φ = 107189449920.

The previous prime is 311203000063. The next prime is 311203000133. The reversal of 311203000130 is 31000302113.

It is not an unprimeable number, because it can be changed into a prime (311203000133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16541309 + ... + 16560111.

It is an arithmetic number, because the mean of its divisors is an integer number (10052618400).

Almost surely, 2^311203000130 is an apocalyptic number.

311203000130 is an abundant number, since it is smaller than the sum of its proper divisors (332164577470).

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

311203000130 is a wasteful number, since it uses less digits than its factorization.

311203000130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26759.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 311203000130 its reverse (31000302113), we get a palindrome (342203302243).

The spelling of 311203000130 in words is "three hundred eleven billion, two hundred three million, one hundred thirty", and thus it is an aban number.