321132112031 has 2 divisors, whose sum is σ = 321132112032. Its totient is φ = 321132112030.

The previous prime is 321132112019. The next prime is 321132112087. The reversal of 321132112031 is 130211231123.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (130211231123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321132112031 - 2²⁶ = 321065003167 is a prime.

It is a super-2 number, since 2×321132112031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321132111994 and 321132112012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321132012031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160566056015 + 160566056016.

It is an arithmetic number, because the mean of its divisors is an integer number (160566056016).

Almost surely, 2^321132112031 is an apocalyptic number.

321132112031 is a deficient number, since it is larger than the sum of its proper divisors (1).

321132112031 is an equidigital number, since it uses as much as digits as its factorization.

321132112031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 321132112031 its reverse (130211231123), we get a palindrome (451343343154).

The spelling of 321132112031 in words is "three hundred twenty-one billion, one hundred thirty-two million, one hundred twelve thousand, thirty-one".