312344122 has 4 divisors (see below), whose sum is σ = 468516186. Its totient is φ = 156172060.

The previous prime is 312344119. The next prime is 312344141. The reversal of 312344122 is 221443213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221443213 = 2857 ⋅77509.

It can be written as a sum of positive squares in only one way, i.e., 240281001 + 72063121 = 15501^2 + 8489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312344093 and 312344102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78086029 + ... + 78086032.

Almost surely, 2^312344122 is an apocalyptic number.

312344122 is a deficient number, since it is larger than the sum of its proper divisors (156172064).

312344122 is a wasteful number, since it uses less digits than its factorization.

312344122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156172063.

The product of its digits is 1152, while the sum is 22.

The square root of 312344122 is about 17673.2600840931. The cubic root of 312344122 is about 678.4915539193.

Adding to 312344122 its reverse (221443213), we get a palindrome (533787335).

Subtracting from 312344122 its reverse (221443213), we obtain a palindrome (90900909).

The spelling of 312344122 in words is "three hundred twelve million, three hundred forty-four thousand, one hundred twenty-two".