321011011013 has 32 divisors (see below), whose sum is σ = 402351535872. Its totient is φ = 248809420800.

The previous prime is 321011010977. The next prime is 321011011091. The reversal of 321011011013 is 310110110123.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 321011011013 - 2¹² = 321011006917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321011011213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18524393 + ... + 18541713.

It is an arithmetic number, because the mean of its divisors is an integer number (12573485496).

Almost surely, 2^321011011013 is an apocalyptic number.

It is an amenable number.

321011011013 is a deficient number, since it is larger than the sum of its proper divisors (81340524859).

321011011013 is a wasteful number, since it uses less digits than its factorization.

321011011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18605.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 321011011013 its reverse (310110110123), we get a palindrome (631121121136).

It can be divided in two parts, 3210110110 and 13, that added together give a palindrome (3210110123).

The spelling of 321011011013 in words is "three hundred twenty-one billion, eleven million, eleven thousand, thirteen".