213099151 has 4 divisors (see below), whose sum is σ = 214331112. Its totient is φ = 211867192.

The previous prime is 213099149. The next prime is 213099157. The reversal of 213099151 is 151990312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 213099151 - 2¹ = 213099149 is a prime.

It is a super-2 number, since 2×213099151² = 90822496313841602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213099157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615721 + ... + 616066.

It is an arithmetic number, because the mean of its divisors is an integer number (53582778).

Almost surely, 2^213099151 is an apocalyptic number.

213099151 is a deficient number, since it is larger than the sum of its proper divisors (1231961).

213099151 is a wasteful number, since it uses less digits than its factorization.

213099151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231960.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 213099151 is about 14597.9159813995. The cubic root of 213099151 is about 597.3019141109.

The spelling of 213099151 in words is "two hundred thirteen million, ninety-nine thousand, one hundred fifty-one".