213102318 has 32 divisors (see below), whose sum is σ = 500717952. Its totient is φ = 59608800.

The previous prime is 213102289. The next prime is 213102319. The reversal of 213102318 is 813201312.

It is a junction number, because it is equal to n+sod(n) for n = 213102294 and 213102303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213102319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123328 + ... + 125043.

It is an arithmetic number, because the mean of its divisors is an integer number (15647436).

Almost surely, 2^213102318 is an apocalyptic number.

213102318 is an abundant number, since it is smaller than the sum of its proper divisors (287615634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213102318 is a wasteful number, since it uses less digits than its factorization.

213102318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248400.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 213102318 is about 14598.0244553844. The cubic root of 213102318 is about 597.3048730555.

The spelling of 213102318 in words is "two hundred thirteen million, one hundred two thousand, three hundred eighteen".