312020214 has 16 divisors (see below), whose sum is σ = 680771520. Its totient is φ = 94551560.

The previous prime is 312020213. The next prime is 312020237. The reversal of 312020214 is 412020213.

It is a super-2 number, since 2×312020214² = 194713227889211592, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 312020193 and 312020202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312020213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2363724 + ... + 2363855.

It is an arithmetic number, because the mean of its divisors is an integer number (42548220).

Almost surely, 2^312020214 is an apocalyptic number.

312020214 is an abundant number, since it is smaller than the sum of its proper divisors (368751306).

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

312020214 is a wasteful number, since it uses less digits than its factorization.

312020214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727595.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 312020214 is about 17664.0939195873. The cubic root of 312020214 is about 678.2569357113.

Adding to 312020214 its reverse (412020213), we get a palindrome (724040427).

Subtracting 312020214 from its reverse (412020213), we obtain a palindrome (99999999).

The spelling of 312020214 in words is "three hundred twelve million, twenty thousand, two hundred fourteen".