213153331 has 8 divisors (see below), whose sum is σ = 216707024. Its totient is φ = 209610720.

The previous prime is 213153287. The next prime is 213153341. The reversal of 213153331 is 133351312.

It is a happy number.

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 213153331 - 2⁷ = 213153203 is a prime.

It is a super-2 number, since 2×213153331² = 90868685032791122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213153341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41881 + ... + 46693.

It is an arithmetic number, because the mean of its divisors is an integer number (27088378).

Almost surely, 2^213153331 is an apocalyptic number.

213153331 is a deficient number, since it is larger than the sum of its proper divisors (3553693).

213153331 is an equidigital number, since it uses as much as digits as its factorization.

213153331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5541.

The product of its digits is 810, while the sum is 22.

The square root of 213153331 is about 14599.7716078026. The cubic root of 213153331 is about 597.3525307296.

The spelling of 213153331 in words is "two hundred thirteen million, one hundred fifty-three thousand, three hundred thirty-one".