331213211301 has 16 divisors (see below), whose sum is σ = 531269312000. Its totient is φ = 179303392368.

The previous prime is 331213211291. The next prime is 331213211317. The reversal of 331213211301 is 103112312133.

It is a happy number.

It is not a de Polignac number, because 331213211301 - 2⁹ = 331213210789 is a prime.

It is a super-2 number, since 2×331213211301² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331213211201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415053751 + ... + 415054548.

It is an arithmetic number, because the mean of its divisors is an integer number (33204332000).

Almost surely, 2^331213211301 is an apocalyptic number.

It is an amenable number.

331213211301 is a deficient number, since it is larger than the sum of its proper divisors (200056100699).

331213211301 is a wasteful number, since it uses less digits than its factorization.

331213211301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830108328.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 331213211301 its reverse (103112312133), we get a palindrome (434325523434).

The spelling of 331213211301 in words is "three hundred thirty-one billion, two hundred thirteen million, two hundred eleven thousand, three hundred one".