213233115 has 32 divisors (see below), whose sum is σ = 358235136. Its totient is φ = 108099200.

The previous prime is 213233113. The next prime is 213233117. The reversal of 213233115 is 511332312.

It is an interprime number because it is at equal distance from previous prime (213233113) and next prime (213233117).

It is not a de Polignac number, because 213233115 - 2¹ = 213233113 is a prime.

It is a super-2 number, since 2×213233115² = 90936722665206450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213233091 and 213233100.

It is not an unprimeable number, because it can be changed into a prime (213233113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55765 + ... + 59465.

It is an arithmetic number, because the mean of its divisors is an integer number (11194848).

Almost surely, 2^213233115 is an apocalyptic number.

213233115 is a deficient number, since it is larger than the sum of its proper divisors (145002021).

213233115 is a wasteful number, since it uses less digits than its factorization.

213233115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899.

The product of its digits is 540, while the sum is 21.

The square root of 213233115 is about 14602.5037236770. The cubic root of 213233115 is about 597.4270517782.

Adding to 213233115 its reverse (511332312), we get a palindrome (724565427).

The spelling of 213233115 in words is "two hundred thirteen million, two hundred thirty-three thousand, one hundred fifteen".