31132322327 has 2 divisors, whose sum is σ = 31132322328. Its totient is φ = 31132322326.

The previous prime is 31132322303. The next prime is 31132322341. The reversal of 31132322327 is 72322323113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31132322327 - 2¹⁴ = 31132305943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31132322327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31132322387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15566161163 + 15566161164.

It is an arithmetic number, because the mean of its divisors is an integer number (15566161164).

Almost surely, 2^31132322327 is an apocalyptic number.

31132322327 is a deficient number, since it is larger than the sum of its proper divisors (1).

31132322327 is an equidigital number, since it uses as much as digits as its factorization.

31132322327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 29.

The spelling of 31132322327 in words is "thirty-one billion, one hundred thirty-two million, three hundred twenty-two thousand, three hundred twenty-seven".