1312313226 has 32 divisors (see below), whose sum is σ = 3063398400. Its totient is φ = 366968496.

The previous prime is 1312313209. The next prime is 1312313237. The reversal of 1312313226 is 6223132131.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1312313196 and 1312313205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330426 + ... + 334373.

It is an arithmetic number, because the mean of its divisors is an integer number (95731200).

Almost surely, 2^1312313226 is an apocalyptic number.

1312313226 is an abundant number, since it is smaller than the sum of its proper divisors (1751085174).

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

1312313226 is a wasteful number, since it uses less digits than its factorization.

1312313226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664858.

The product of its digits is 1296, while the sum is 24.

The square root of 1312313226 is about 36225.8640476663. The cubic root of 1312313226 is about 1094.8278472506.

Adding to 1312313226 its reverse (6223132131), we get a palindrome (7535445357).

The spelling of 1312313226 in words is "one billion, three hundred twelve million, three hundred thirteen thousand, two hundred twenty-six".