212030313 has 32 divisors (see below), whose sum is σ = 318630912. Its totient is φ = 124286400.

The previous prime is 212030309. The next prime is 212030317. The reversal of 212030313 is 313030212.

212030313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212030309) and next prime (212030317).

It is not a de Polignac number, because 212030313 - 2² = 212030309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212030292 and 212030301.

It is not an unprimeable number, because it can be changed into a prime (212030317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257220 + ... + 258042.

It is an arithmetic number, because the mean of its divisors is an integer number (9957216).

Almost surely, 2^212030313 is an apocalyptic number.

It is an amenable number.

212030313 is a deficient number, since it is larger than the sum of its proper divisors (106600599).

212030313 is a wasteful number, since it uses less digits than its factorization.

212030313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 212030313 is about 14561.2606940471. The cubic root of 212030313 is about 596.3016139630.

Adding to 212030313 its reverse (313030212), we get a palindrome (525060525).

The spelling of 212030313 in words is "two hundred twelve million, thirty thousand, three hundred thirteen".