331311320230 has 128 divisors (see below), whose sum is σ = 719312348160. Its totient is φ = 108381757440.

The previous prime is 331311320203. The next prime is 331311320239. The reversal of 331311320230 is 32023113133.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331311320239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114362142 + ... + 114365038.

It is an arithmetic number, because the mean of its divisors is an integer number (5619627720).

Almost surely, 2^331311320230 is an apocalyptic number.

331311320230 is an abundant number, since it is smaller than the sum of its proper divisors (388001027930).

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

331311320230 is a wasteful number, since it uses less digits than its factorization.

331311320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 331311320230 its reverse (32023113133), we get a palindrome (363334433363).

The spelling of 331311320230 in words is "three hundred thirty-one billion, three hundred eleven million, three hundred twenty thousand, two hundred thirty".