31445420316754 has 8 divisors (see below), whose sum is σ = 47171574199548. Its totient is φ = 15721562250240.

The previous prime is 31445420316719. The next prime is 31445420316851. The reversal of 31445420316754 is 45761302454413.

It can be written as a sum of positive squares in 2 ways, for example, as 25565411250625 + 5880009066129 = 5056225^2 + 2424873^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31445420316698 and 31445420316707.

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, 573919827 + ... + 573974614.

Almost surely, 2^{31445420316754} is an apocalyptic number.

31445420316754 is a deficient number, since it is larger than the sum of its proper divisors (15726153882794).

31445420316754 is a wasteful number, since it uses less digits than its factorization.

31445420316754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147908140.

The product of its (nonzero) digits is 4838400, while the sum is 49.

The spelling of 31445420316754 in words is "thirty-one trillion, four hundred forty-five billion, four hundred twenty million, three hundred sixteen thousand, seven hundred fifty-four".