312313234 has 4 divisors (see below), whose sum is σ = 468469854. Its totient is φ = 156156616.

The previous prime is 312313223. The next prime is 312313237. The reversal of 312313234 is 432313213.

312313234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 278055625 + 34257609 = 16675^2 + 5853^2 .

It is a super-2 number, since 2×312313234² = 195079112263077512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312313237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78078307 + ... + 78078310.

Almost surely, 2^312313234 is an apocalyptic number.

312313234 is a deficient number, since it is larger than the sum of its proper divisors (156156620).

312313234 is a wasteful number, since it uses less digits than its factorization.

312313234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156156619.

The product of its digits is 1296, while the sum is 22.

The square root of 312313234 is about 17672.3861999448. The cubic root of 312313234 is about 678.4691876289.

Adding to 312313234 its reverse (432313213), we get a palindrome (744626447).

The spelling of 312313234 in words is "three hundred twelve million, three hundred thirteen thousand, two hundred thirty-four".