312013322 has 16 divisors (see below), whose sum is σ = 472060392. Its totient is φ = 154664640.

The previous prime is 312013313. The next prime is 312013337. The reversal of 312013322 is 223310213.

It can be written as a sum of positive squares in 4 ways, for example, as 175801081 + 136212241 = 13259^2 + 11671^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312013322.

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, 191672 + ... + 193292.

Almost surely, 2^312013322 is an apocalyptic number.

312013322 is a deficient number, since it is larger than the sum of its proper divisors (160047070).

312013322 is a wasteful number, since it uses less digits than its factorization.

312013322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 312013322 is about 17663.8988334965. The cubic root of 312013322 is about 678.2519418242.

Adding to 312013322 its reverse (223310213), we get a palindrome (535323535).

The spelling of 312013322 in words is "three hundred twelve million, thirteen thousand, three hundred twenty-two".