321232013011 has 16 divisors (see below), whose sum is σ = 400125890304. Its totient is φ = 251099398944.

The previous prime is 321232012987. The next prime is 321232013021. The reversal of 321232013011 is 110310232123.

It is a cyclic number.

It is not a de Polignac number, because 321232013011 - 2⁹ = 321232012499 is a prime.

It is a super-2 number, since 2×321232013011² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321232013011.

It is not an unprimeable number, because it can be changed into a prime (321232013021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21257641 + ... + 21272746.

It is an arithmetic number, because the mean of its divisors is an integer number (25007868144).

Almost surely, 2^321232013011 is an apocalyptic number.

321232013011 is a deficient number, since it is larger than the sum of its proper divisors (78893877293).

321232013011 is a wasteful number, since it uses less digits than its factorization.

321232013011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42530490.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 321232013011 its reverse (110310232123), we get a palindrome (431542245134).

The spelling of 321232013011 in words is "three hundred twenty-one billion, two hundred thirty-two million, thirteen thousand, eleven".