312112326 has 32 divisors (see below), whose sum is σ = 648230400. Its totient is φ = 100064160.

The previous prime is 312112271. The next prime is 312112327. The reversal of 312112326 is 623211213.

It is a super-2 number, since 2×312112326² = 194828208082260552, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312112327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43845 + ... + 50463.

It is an arithmetic number, because the mean of its divisors is an integer number (20257200).

Almost surely, 2^312112326 is an apocalyptic number.

312112326 is an abundant number, since it is smaller than the sum of its proper divisors (336118074).

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

312112326 is a wasteful number, since it uses less digits than its factorization.

312112326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6924.

The product of its digits is 432, while the sum is 21.

The square root of 312112326 is about 17666.7010502810. The cubic root of 312112326 is about 678.3236722594.

Adding to 312112326 its reverse (623211213), we get a palindrome (935323539).

The spelling of 312112326 in words is "three hundred twelve million, one hundred twelve thousand, three hundred twenty-six".