32131312069 has 2 divisors, whose sum is σ = 32131312070. Its totient is φ = 32131312068.

The previous prime is 32131312067. The next prime is 32131312121. The reversal of 32131312069 is 96021313123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32044580100 + 86731969 = 179010^2 + 9313^2 .

It is a cyclic number.

It is not a de Polignac number, because 32131312069 - 2¹ = 32131312067 is a prime.

It is a super-2 number, since 2×32131312069² (a number of 22 digits) contains 22 as substring.

Together with 32131312067, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 32131312069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32131312067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065656034 + 16065656035.

It is an arithmetic number, because the mean of its divisors is an integer number (16065656035).

Almost surely, 2^32131312069 is an apocalyptic number.

It is an amenable number.

32131312069 is a deficient number, since it is larger than the sum of its proper divisors (1).

32131312069 is an equidigital number, since it uses as much as digits as its factorization.

32131312069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 32131312069 in words is "thirty-two billion, one hundred thirty-one million, three hundred twelve thousand, sixty-nine".