331121220310322 has 64 divisors (see below), whose sum is σ = 550324603271520. Its totient is φ = 148447542067200.

The previous prime is 331121220310301. The next prime is 331121220310373. The reversal of 331121220310322 is 223013022121133.

It can be written as a sum of positive squares in 16 ways, for example, as 3996156923521 + 327125063386801 = 1999039^2 + 18086599^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 331121220310291 and 331121220310300.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1231216004 + ... + 1231484912.

Almost surely, 2^{331121220310322} is an apocalyptic number.

331121220310322 is a deficient number, since it is larger than the sum of its proper divisors (219203382961198).

331121220310322 is a wasteful number, since it uses less digits than its factorization.

331121220310322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273999.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 331121220310322 its reverse (223013022121133), we get a palindrome (554134242431455).

The spelling of 331121220310322 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred twenty million, three hundred ten thousand, three hundred twenty-two".