313123412 has 24 divisors (see below), whose sum is σ = 626627904. Its totient is φ = 134114112.

The previous prime is 313123333. The next prime is 313123441. The reversal of 313123412 is 214321313.

It is a super-2 number, since 2×313123412² = 196092542285043488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 75743 + ... + 79769.

It is an arithmetic number, because the mean of its divisors is an integer number (26109496).

Almost surely, 2^313123412 is an apocalyptic number.

It is an amenable number.

313123412 is an abundant number, since it is smaller than the sum of its proper divisors (313504492).

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

313123412 is a wasteful number, since it uses less digits than its factorization.

313123412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815 (or 6813 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 313123412 is about 17695.2934985549. The cubic root of 313123412 is about 679.0553578803.

Adding to 313123412 its reverse (214321313), we get a palindrome (527444725).

The spelling of 313123412 in words is "three hundred thirteen million, one hundred twenty-three thousand, four hundred twelve".