321032012231 has 24 divisors (see below), whose sum is σ = 375493075056. Its totient is φ = 273662632320.

The previous prime is 321032012201. The next prime is 321032012233. The reversal of 321032012231 is 132210230123.

It is not a de Polignac number, because 321032012231 - 2¹⁰ = 321032011207 is a prime.

It is a super-2 number, since 2×321032012231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321032012233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31434716 + ... + 31444926.

It is an arithmetic number, because the mean of its divisors is an integer number (15645544794).

Almost surely, 2^321032012231 is an apocalyptic number.

321032012231 is a deficient number, since it is larger than the sum of its proper divisors (54461062825).

321032012231 is a wasteful number, since it uses less digits than its factorization.

321032012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13679 (or 13672 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 321032012231 its reverse (132210230123), we get a palindrome (453242242354).

The spelling of 321032012231 in words is "three hundred twenty-one billion, thirty-two million, twelve thousand, two hundred thirty-one".