213315874 has 4 divisors (see below), whose sum is σ = 319973814. Its totient is φ = 106657936.

The previous prime is 213315829. The next prime is 213315877. The reversal of 213315874 is 478513312.

213315874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 163712025 + 49603849 = 12795^2 + 7043^2 .

It is a super-3 number, since 3×213315874³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (213315877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53328967 + ... + 53328970.

Almost surely, 2^213315874 is an apocalyptic number.

213315874 is a deficient number, since it is larger than the sum of its proper divisors (106657940).

213315874 is a wasteful number, since it uses less digits than its factorization.

213315874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106657939.

The product of its digits is 20160, while the sum is 34.

The square root of 213315874 is about 14605.3371751562. The cubic root of 213315874 is about 597.5043319422.

The spelling of 213315874 in words is "two hundred thirteen million, three hundred fifteen thousand, eight hundred seventy-four".