331220001333 has 16 divisors (see below), whose sum is σ = 480501027776. Its totient is φ = 201726374400.

The previous prime is 331220001289. The next prime is 331220001419. The reversal of 331220001333 is 333100022133.

It is not a de Polignac number, because 331220001333 - 2⁶ = 331220001269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331222001333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43773643 + ... + 43781208.

It is an arithmetic number, because the mean of its divisors is an integer number (30031314236).

Almost surely, 2^331220001333 is an apocalyptic number.

It is an amenable number.

331220001333 is a deficient number, since it is larger than the sum of its proper divisors (149281026443).

331220001333 is a wasteful number, since it uses less digits than its factorization.

331220001333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87554964.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 331220001333 its reverse (333100022133), we get a palindrome (664320023466).

The spelling of 331220001333 in words is "three hundred thirty-one billion, two hundred twenty million, one thousand, three hundred thirty-three".