321312002011 has 48 divisors (see below), whose sum is σ = 437084449984. Its totient is φ = 229835232000.

The previous prime is 321312001999. The next prime is 321312002069. The reversal of 321312002011 is 110200213123.

It is not a de Polignac number, because 321312002011 - 2⁵ = 321312001979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321312002411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1912381 + ... + 2073601.

Almost surely, 2^321312002011 is an apocalyptic number.

321312002011 is a deficient number, since it is larger than the sum of its proper divisors (115772447973).

321312002011 is a wasteful number, since it uses less digits than its factorization.

321312002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161444 (or 161433 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 321312002011 its reverse (110200213123), we get a palindrome (431512215134).

The spelling of 321312002011 in words is "three hundred twenty-one billion, three hundred twelve million, two thousand, eleven".