321303213112 has 32 divisors (see below), whose sum is σ = 692629701120. Its totient is φ = 136876813920.

The previous prime is 321303213107. The next prime is 321303213131. The reversal of 321303213112 is 211312303123.

It is a congruent number.

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, 17168964 + ... + 17187667.

It is an arithmetic number, because the mean of its divisors is an integer number (21644678160).

Almost surely, 2^321303213112 is an apocalyptic number.

It is an amenable number.

321303213112 is an abundant number, since it is smaller than the sum of its proper divisors (371326488008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321303213112 is a wasteful number, since it uses less digits than its factorization.

321303213112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34356811 (or 34356807 counting only the distinct ones).

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

Adding to 321303213112 its reverse (211312303123), we get a palindrome (532615516235).

The spelling of 321303213112 in words is "three hundred twenty-one billion, three hundred three million, two hundred thirteen thousand, one hundred twelve".