313213022312 has 16 divisors (see below), whose sum is σ = 587290184100. Its totient is φ = 156602306560.

The previous prime is 313213022281. The next prime is 313213022383. The reversal of 313213022312 is 213220312313.

It can be written as a sum of positive squares in 2 ways, for example, as 303925074436 + 9287947876 = 551294^2 + 96374^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 196889 + ... + 815592.

Almost surely, 2^313213022312 is an apocalyptic number.

It is an amenable number.

313213022312 is a deficient number, since it is larger than the sum of its proper divisors (274077161788).

313213022312 is a wasteful number, since it uses less digits than its factorization.

313213022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051156 (or 1051152 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 313213022312 its reverse (213220312313), we get a palindrome (526433334625).

The spelling of 313213022312 in words is "three hundred thirteen billion, two hundred thirteen million, twenty-two thousand, three hundred twelve".