213142313 has 8 divisors (see below), whose sum is σ = 219158016. Its totient is φ = 207165600.

The previous prime is 213142297. The next prime is 213142339. The reversal of 213142313 is 313241312.

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

It is a cyclic number.

It is not a de Polignac number, because 213142313 - 2⁴ = 213142297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213142393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1520 + ... + 20702.

It is an arithmetic number, because the mean of its divisors is an integer number (27394752).

Almost surely, 2^213142313 is an apocalyptic number.

It is an amenable number.

213142313 is a deficient number, since it is larger than the sum of its proper divisors (6015703).

213142313 is a wasteful number, since it uses less digits than its factorization.

213142313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19495.

The product of its digits is 432, while the sum is 20.

The square root of 213142313 is about 14599.3942682565. The cubic root of 213142313 is about 597.3422380707.

Adding to 213142313 its reverse (313241312), we get a palindrome (526383625).

It can be divided in two parts, 2131 and 42313, that added together give a palindrome (44444).

The spelling of 213142313 in words is "two hundred thirteen million, one hundred forty-two thousand, three hundred thirteen".