331350223240 has 64 divisors (see below), whose sum is σ = 757149019200. Its totient is φ = 130478439168.

The previous prime is 331350223219. The next prime is 331350223273. The reversal of 331350223240 is 42322053133.

It is a junction number, because it is equal to n+sod(n) for n = 331350223199 and 331350223208.

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, 4241251 + ... + 4318669.

It is an arithmetic number, because the mean of its divisors is an integer number (11830453425).

Almost surely, 2^331350223240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331350223240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378574509600).

331350223240 is an abundant number, since it is smaller than the sum of its proper divisors (425798795960).

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

331350223240 is a wasteful number, since it uses less digits than its factorization.

331350223240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79094 (or 79090 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 331350223240 its reverse (42322053133), we get a palindrome (373672276373).

The spelling of 331350223240 in words is "three hundred thirty-one billion, three hundred fifty million, two hundred twenty-three thousand, two hundred forty".