331003331003320 has 16 divisors (see below), whose sum is σ = 744757494757560. Its totient is φ = 132401332401312.

The previous prime is 331003331003297. The next prime is 331003331003341. The reversal of 331003331003320 is 23300133300133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4137541637502 + ... + 4137541637581.

Almost surely, 2^{331003331003320} is an apocalyptic number.

It is an amenable number.

331003331003320 is an abundant number, since it is smaller than the sum of its proper divisors (413754163754240).

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

331003331003320 is a wasteful number, since it uses less digits than its factorization.

331003331003320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275083275094 (or 8275083275090 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 331003331003320 its reverse (23300133300133), we get a palindrome (354303464303453).

The spelling of 331003331003320 in words is "three hundred thirty-one trillion, three billion, three hundred thirty-one million, three thousand, three hundred twenty".