321032112231 has 24 divisors (see below), whose sum is σ = 437794153984. Its totient is φ = 209252110320.

The previous prime is 321032112223. The next prime is 321032112251. The reversal of 321032112231 is 132211230123.

It is not a de Polignac number, because 321032112231 - 2³ = 321032112223 is a prime.

It is a super-2 number, since 2×321032112231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321032112198 and 321032112207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321032112251) 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, 6542916 + ... + 6591798.

Almost surely, 2^321032112231 is an apocalyptic number.

321032112231 is a deficient number, since it is larger than the sum of its proper divisors (116762041753).

321032112231 is an equidigital number, since it uses as much as digits as its factorization.

321032112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49971 (or 49924 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 321032112231 its reverse (132211230123), we get a palindrome (453243342354).

The spelling of 321032112231 in words is "three hundred twenty-one billion, thirty-two million, one hundred twelve thousand, two hundred thirty-one".