321312303122 has 16 divisors (see below), whose sum is σ = 495026532000. Its totient is φ = 156324137760.

The previous prime is 321312303083. The next prime is 321312303161. The reversal of 321312303122 is 221303213123.

It is an interprime number because it is at equal distance from previous prime (321312303083) and next prime (321312303161).

It is a super-2 number, since 2×321312303122² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5138372 + ... + 5200527.

It is an arithmetic number, because the mean of its divisors is an integer number (30939158250).

Almost surely, 2^321312303122 is an apocalyptic number.

321312303122 is a deficient number, since it is larger than the sum of its proper divisors (173714228878).

321312303122 is a wasteful number, since it uses less digits than its factorization.

321312303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10339321.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 321312303122 its reverse (221303213123), we get a palindrome (542615516245).

The spelling of 321312303122 in words is "three hundred twenty-one billion, three hundred twelve million, three hundred three thousand, one hundred twenty-two".