31382804245 has 8 divisors (see below), whose sum is σ = 40556239416. Its totient is φ = 23174993856.

The previous prime is 31382804237. The next prime is 31382804281. The reversal of 31382804245 is 54240828313.

It can be written as a sum of positive squares in 4 ways, for example, as 1473868881 + 29908935364 = 38391^2 + 172942^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 31382804245 - 2³ = 31382804237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31382804198 and 31382804207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241406122 + ... + 241406251.

It is an arithmetic number, because the mean of its divisors is an integer number (5069529927).

Almost surely, 2^31382804245 is an apocalyptic number.

It is an amenable number.

31382804245 is a deficient number, since it is larger than the sum of its proper divisors (9173435171).

31382804245 is a wasteful number, since it uses less digits than its factorization.

31382804245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482812391.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 31382804245 in words is "thirty-one billion, three hundred eighty-two million, eight hundred four thousand, two hundred forty-five".