321312330031011 has 32 divisors (see below), whose sum is σ = 468441825696000. Its totient is φ = 194285466439680.

The previous prime is 321312330031003. The next prime is 321312330031037. The reversal of 321312330031011 is 110130033213123.

It is not a de Polignac number, because 321312330031011 - 2³ = 321312330031003 is a prime.

It is a super-2 number, since 2×321312330031011² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321312330031081) 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, 185372220 + ... + 187097526.

It is an arithmetic number, because the mean of its divisors is an integer number (14638807053000).

Almost surely, 2^{321312330031011} is an apocalyptic number.

321312330031011 is a deficient number, since it is larger than the sum of its proper divisors (147129495664989).

321312330031011 is a wasteful number, since it uses less digits than its factorization.

321312330031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738339.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 321312330031011 its reverse (110130033213123), we get a palindrome (431442363244134).

The spelling of 321312330031011 in words is "three hundred twenty-one trillion, three hundred twelve billion, three hundred thirty million, thirty-one thousand, eleven".