31764334241 has 4 divisors (see below), whose sum is σ = 31772167812. Its totient is φ = 31756500672.

The previous prime is 31764334237. The next prime is 31764334313. The reversal of 31764334241 is 14243346713.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10582442641 + 21181891600 = 102871^2 + 145540^2 .

It is a cyclic number.

It is not a de Polignac number, because 31764334241 - 2² = 31764334237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31764334195 and 31764334204.

It is not an unprimeable number, because it can be changed into a prime (31764334741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3910700 + ... + 3918813.

It is an arithmetic number, because the mean of its divisors is an integer number (7943041953).

Almost surely, 2^31764334241 is an apocalyptic number.

It is an amenable number.

31764334241 is a deficient number, since it is larger than the sum of its proper divisors (7833571).

31764334241 is an equidigital number, since it uses as much as digits as its factorization.

31764334241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7833570.

The product of its digits is 145152, while the sum is 38.

The spelling of 31764334241 in words is "thirty-one billion, seven hundred sixty-four million, three hundred thirty-four thousand, two hundred forty-one".