31742434677777 has 16 divisors (see below), whose sum is σ = 43248314081280. Its totient is φ = 20699601139152.

The previous prime is 31742434677769. The next prime is 31742434677803. The reversal of 31742434677777 is 77777643424713.

It is not a de Polignac number, because 31742434677777 - 2³ = 31742434677769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31742434677677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63743923 + ... + 64239960.

It is an arithmetic number, because the mean of its divisors is an integer number (2703019630080).

Almost surely, 2^{31742434677777} is an apocalyptic number.

It is an amenable number.

31742434677777 is a deficient number, since it is larger than the sum of its proper divisors (11505879403503).

31742434677777 is a wasteful number, since it uses less digits than its factorization.

31742434677777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127985692.

The product of its digits is 813189888, while the sum is 69.

The spelling of 31742434677777 in words is "thirty-one trillion, seven hundred forty-two billion, four hundred thirty-four million, six hundred seventy-seven thousand, seven hundred seventy-seven".