313543739225 has 6 divisors (see below), whose sum is σ = 388794236670. Its totient is φ = 250834991360.

The previous prime is 313543739209. The next prime is 313543739231. The reversal of 313543739225 is 522937345313.

It can be written as a sum of positive squares in 3 ways, for example, as 35257948441 + 278285790784 = 187771^2 + 527528^2 .

It is not a de Polignac number, because 313543739225 - 2⁴ = 313543739209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313543739225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6270874760 + ... + 6270874809.

It is an arithmetic number, because the mean of its divisors is an integer number (64799039445).

Almost surely, 2^313543739225 is an apocalyptic number.

It is an amenable number.

313543739225 is a deficient number, since it is larger than the sum of its proper divisors (75250497445).

313543739225 is a wasteful number, since it uses less digits than its factorization.

313543739225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12541749579 (or 12541749574 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 47.

The spelling of 313543739225 in words is "three hundred thirteen billion, five hundred forty-three million, seven hundred thirty-nine thousand, two hundred twenty-five".