312421726 has 8 divisors (see below), whose sum is σ = 475233264. Its totient is φ = 154010640.

The previous prime is 312421721. The next prime is 312421729. The reversal of 312421726 is 627124213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 312421694 and 312421703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312421721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099935 + ... + 1100218.

It is an arithmetic number, because the mean of its divisors is an integer number (59404158).

Almost surely, 2^312421726 is an apocalyptic number.

312421726 is a deficient number, since it is larger than the sum of its proper divisors (162811538).

312421726 is a wasteful number, since it uses less digits than its factorization.

312421726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200226.

The product of its digits is 4032, while the sum is 28.

The square root of 312421726 is about 17675.4554679646. The cubic root of 312421726 is about 678.5477411977.

Adding to 312421726 its reverse (627124213), we get a palindrome (939545939).

The spelling of 312421726 in words is "three hundred twelve million, four hundred twenty-one thousand, seven hundred twenty-six".