213315412 has 12 divisors (see below), whose sum is σ = 373833460. Its totient is φ = 106505856.

The previous prime is 213315391. The next prime is 213315437. The reversal of 213315412 is 214513312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19660356 + 193655056 = 4434^2 + 13916^2 .

It is a congruent number.

It is an unprimeable number.

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, 34773 + ... + 40444.

Almost surely, 2^213315412 is an apocalyptic number.

It is an amenable number.

213315412 is a deficient number, since it is larger than the sum of its proper divisors (160518048).

213315412 is a wasteful number, since it uses less digits than its factorization.

213315412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75930 (or 75928 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 213315412 is about 14605.3213590116. The cubic root of 213315412 is about 597.5039005832.

Adding to 213315412 its reverse (214513312), we get a palindrome (427828724).

The spelling of 213315412 in words is "two hundred thirteen million, three hundred fifteen thousand, four hundred twelve".