213351051 has 8 divisors (see below), whose sum is σ = 285014080. Its totient is φ = 141961032.

The previous prime is 213351049. The next prime is 213351077. The reversal of 213351051 is 150153312.

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

It is not a de Polignac number, because 213351051 - 2¹ = 213351049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213351031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 66421 + ... + 69558.

It is an arithmetic number, because the mean of its divisors is an integer number (35626760).

Almost surely, 2^213351051 is an apocalyptic number.

213351051 is a deficient number, since it is larger than the sum of its proper divisors (71663029).

213351051 is a wasteful number, since it uses less digits than its factorization.

213351051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136505.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 213351051 is about 14606.5413770680. The cubic root of 213351051 is about 597.5371740904.

The spelling of 213351051 in words is "two hundred thirteen million, three hundred fifty-one thousand, fifty-one".