31754345386 has 8 divisors (see below), whose sum is σ = 47690397540. Its totient is φ = 15857546208.

The previous prime is 31754345309. The next prime is 31754345393. The reversal of 31754345386 is 68354345713.

It can be written as a sum of positive squares in 2 ways, for example, as 31637381161 + 116964225 = 177869^2 + 10815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 9811221 + ... + 9814456.

Almost surely, 2^31754345386 is an apocalyptic number.

31754345386 is a deficient number, since it is larger than the sum of its proper divisors (15936052154).

31754345386 is a wasteful number, since it uses less digits than its factorization.

31754345386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19626488.

The product of its digits is 3628800, while the sum is 49.

The spelling of 31754345386 in words is "thirty-one billion, seven hundred fifty-four million, three hundred forty-five thousand, three hundred eighty-six".