31740067105 has 4 divisors (see below), whose sum is σ = 38088080532. Its totient is φ = 25392053680.

The previous prime is 31740067097. The next prime is 31740067127. The reversal of 31740067105 is 50176004713.

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 15168139281 + 16571927824 = 123159^2 + 128732^2 .

It is not a de Polignac number, because 31740067105 - 2³ = 31740067097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3174006706 + ... + 3174006715.

It is an arithmetic number, because the mean of its divisors is an integer number (9522020133).

Almost surely, 2^31740067105 is an apocalyptic number.

It is an amenable number.

31740067105 is a deficient number, since it is larger than the sum of its proper divisors (6348013427).

31740067105 is an equidigital number, since it uses as much as digits as its factorization.

31740067105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6348013426.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 31740067105 in words is "thirty-one billion, seven hundred forty million, sixty-seven thousand, one hundred five".