313769519226 has 72 divisors (see below), whose sum is σ = 705725677020. Its totient is φ = 100747971072.

The previous prime is 313769519221. The next prime is 313769519227. The reversal of 313769519226 is 622915967313.

313769519226 is a `hidden beast` number, since 31 + 3 + 76 + 9 + 519 + 2 + 26 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 145772003601 + 167997515625 = 381801^2 + 409875^2 .

It is a super-2 number, since 2×313769519226² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313769519221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6530820 + ... + 6578688.

Almost surely, 2^313769519226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313769519226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352862838510).

313769519226 is an abundant number, since it is smaller than the sum of its proper divisors (391956157794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313769519226 is a wasteful number, since it uses less digits than its factorization.

313769519226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48368 (or 48336 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The spelling of 313769519226 in words is "three hundred thirteen billion, seven hundred sixty-nine million, five hundred nineteen thousand, two hundred twenty-six".