323312211031 has 2 divisors, whose sum is σ = 323312211032. Its totient is φ = 323312211030.

The previous prime is 323312210987. The next prime is 323312211037. The reversal of 323312211031 is 130112213323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323312211031 - 2¹⁵ = 323312178263 is a prime.

It is a super-2 number, since 2×323312211031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323312210993 and 323312211011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323312211037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161656105515 + 161656105516.

It is an arithmetic number, because the mean of its divisors is an integer number (161656105516).

Almost surely, 2^323312211031 is an apocalyptic number.

323312211031 is a deficient number, since it is larger than the sum of its proper divisors (1).

323312211031 is an equidigital number, since it uses as much as digits as its factorization.

323312211031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 323312211031 its reverse (130112213323), we get a palindrome (453424424354).

The spelling of 323312211031 in words is "three hundred twenty-three billion, three hundred twelve million, two hundred eleven thousand, thirty-one".