321132012031 has 2 divisors, whose sum is σ = 321132012032. Its totient is φ = 321132012030.

The previous prime is 321132012013. The next prime is 321132012037. The reversal of 321132012031 is 130210231123.

Together with previous prime (321132012013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321132012031 - 2¹⁵ = 321131979263 is a prime.

It is a super-2 number, since 2×321132012031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321132012037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160566006015 + 160566006016.

It is an arithmetic number, because the mean of its divisors is an integer number (160566006016).

Almost surely, 2^321132012031 is an apocalyptic number.

321132012031 is a deficient number, since it is larger than the sum of its proper divisors (1).

321132012031 is an equidigital number, since it uses as much as digits as its factorization.

321132012031 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 19.

Adding to 321132012031 its reverse (130210231123), we get a palindrome (451342243154).

The spelling of 321132012031 in words is "three hundred twenty-one billion, one hundred thirty-two million, twelve thousand, thirty-one".