321134220331 has 2 divisors, whose sum is σ = 321134220332. Its totient is φ = 321134220330.

The previous prime is 321134220271. The next prime is 321134220347. The reversal of 321134220331 is 133022431123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321134220331 - 2⁷ = 321134220203 is a prime.

It is a super-2 number, since 2×321134220331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321134220296 and 321134220305.

It is not a weakly prime, because it can be changed into another prime (321134280331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160567110165 + 160567110166.

It is an arithmetic number, because the mean of its divisors is an integer number (160567110166).

Almost surely, 2^321134220331 is an apocalyptic number.

321134220331 is a deficient number, since it is larger than the sum of its proper divisors (1).

321134220331 is an equidigital number, since it uses as much as digits as its factorization.

321134220331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 321134220331 its reverse (133022431123), we get a palindrome (454156651454).

The spelling of 321134220331 in words is "three hundred twenty-one billion, one hundred thirty-four million, two hundred twenty thousand, three hundred thirty-one".