312414021 has 6 divisors (see below), whose sum is σ = 451264710. Its totient is φ = 208276008.

The previous prime is 312414007. The next prime is 312414061. The reversal of 312414021 is 120414213.

It can be written as a sum of positive squares in only one way, i.e., 298080225 + 14333796 = 17265^2 + 3786^2 .

It is not a de Polignac number, because 312414021 - 2¹⁴ = 312397637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312413985 and 312414003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312414061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17356326 + ... + 17356343.

It is an arithmetic number, because the mean of its divisors is an integer number (75210785).

Almost surely, 2^312414021 is an apocalyptic number.

It is an amenable number.

312414021 is a deficient number, since it is larger than the sum of its proper divisors (138850689).

312414021 is a wasteful number, since it uses less digits than its factorization.

312414021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34712675 (or 34712672 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 312414021 is about 17675.2375090124. The cubic root of 312414021 is about 678.5421629969.

Adding to 312414021 its product of nonzero digits (192), we get a palindrome (312414213).

Adding to 312414021 its reverse (120414213), we get a palindrome (432828234).

The spelling of 312414021 in words is "three hundred twelve million, four hundred fourteen thousand, twenty-one".