321213114331 has 16 divisors (see below), whose sum is σ = 327087383040. Its totient is φ = 315385630560.

The previous prime is 321213114311. The next prime is 321213114371. The reversal of 321213114331 is 133411312123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321213114331 is a prime.

It is a super-2 number, since 2×321213114331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321213114296 and 321213114305.

It is not an unprimeable number, because it can be changed into a prime (321213114301) 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, 46234200 + ... + 46241146.

It is an arithmetic number, because the mean of its divisors is an integer number (20442961440).

Almost surely, 2^321213114331 is an apocalyptic number.

321213114331 is a deficient number, since it is larger than the sum of its proper divisors (5874268709).

321213114331 is a wasteful number, since it uses less digits than its factorization.

321213114331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10194.

The product of its digits is 1296, while the sum is 25.

Adding to 321213114331 its reverse (133411312123), we get a palindrome (454624426454).

The spelling of 321213114331 in words is "three hundred twenty-one billion, two hundred thirteen million, one hundred fourteen thousand, three hundred thirty-one".