331121330221330 has 16 divisors (see below), whose sum is σ = 650201884798464. Its totient is φ = 120407756444080.

The previous prime is 331121330221321. The next prime is 331121330221361. The reversal of 331121330221330 is 33122033121133.

It is a happy 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, 1505096955442 + ... + 1505096955661.

It is an arithmetic number, because the mean of its divisors is an integer number (40637617799904).

Almost surely, 2^{331121330221330} is an apocalyptic number.

331121330221330 is a deficient number, since it is larger than the sum of its proper divisors (319080554577134).

331121330221330 is a wasteful number, since it uses less digits than its factorization.

331121330221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010193911121.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 331121330221330 its reverse (33122033121133), we get a palindrome (364243363342463).

The spelling of 331121330221330 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, three hundred thirty million, two hundred twenty-one thousand, three hundred thirty".