31704207461 has 2 divisors, whose sum is σ = 31704207462. Its totient is φ = 31704207460.

The previous prime is 31704207433. The next prime is 31704207463. The reversal of 31704207461 is 16470240713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27375357025 + 4328850436 = 165455^2 + 65794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31704207461 is a prime.

Together with 31704207463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31704207463) 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, 15852103730 + 15852103731.

It is an arithmetic number, because the mean of its divisors is an integer number (15852103731).

Almost surely, 2^31704207461 is an apocalyptic number.

It is an amenable number.

31704207461 is a deficient number, since it is larger than the sum of its proper divisors (1).

31704207461 is an equidigital number, since it uses as much as digits as its factorization.

31704207461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 31704207461 in words is "thirty-one billion, seven hundred four million, two hundred seven thousand, four hundred sixty-one".