313555404245 has 8 divisors (see below), whose sum is σ = 386435849784. Its totient is φ = 244064746944.

The previous prime is 313555404241. The next prime is 313555404263. The reversal of 313555404245 is 542404555313.

It can be written as a sum of positive squares in 4 ways, for example, as 84652484401 + 228902919844 = 290951^2 + 478438^2 .

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

It is not a de Polignac number, because 313555404245 - 2² = 313555404241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313555404241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847446854 + ... + 847447223.

It is an arithmetic number, because the mean of its divisors is an integer number (48304481223).

Almost surely, 2^313555404245 is an apocalyptic number.

It is an amenable number.

313555404245 is a deficient number, since it is larger than the sum of its proper divisors (72880445539).

313555404245 is a wasteful number, since it uses less digits than its factorization.

313555404245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694894119.

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 313555404245 its reverse (542404555313), we get a palindrome (855959959558).

The spelling of 313555404245 in words is "three hundred thirteen billion, five hundred fifty-five million, four hundred four thousand, two hundred forty-five".