313213322 has 16 divisors (see below), whose sum is σ = 475858152. Its totient is φ = 154603200.

The previous prime is 313213301. The next prime is 313213357. The reversal of 313213322 is 223312313.

It can be written as a sum of positive squares in 4 ways, for example, as 310076881 + 3136441 = 17609^2 + 1771^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313213294 and 313213303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73268 + ... + 77424.

Almost surely, 2^313213322 is an apocalyptic number.

313213322 is a deficient number, since it is larger than the sum of its proper divisors (162644830).

313213322 is a wasteful number, since it uses less digits than its factorization.

313213322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633.

The product of its digits is 648, while the sum is 20.

The square root of 313213322 is about 17697.8338222507. The cubic root of 313213322 is about 679.1203461268.

Adding to 313213322 its reverse (223312313), we get a palindrome (536525635).

It can be divided in two parts, 31321 and 3322, that added together give a palindrome (34643).

The spelling of 313213322 in words is "three hundred thirteen million, two hundred thirteen thousand, three hundred twenty-two".