213231130 has 16 divisors (see below), whose sum is σ = 438647040. Its totient is φ = 73107792.

The previous prime is 213231127. The next prime is 213231131. The reversal of 213231130 is 31132312.

213231130 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213231131) 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, 1523010 + ... + 1523149.

It is an arithmetic number, because the mean of its divisors is an integer number (27415440).

Almost surely, 2^213231130 is an apocalyptic number.

213231130 is an abundant number, since it is smaller than the sum of its proper divisors (225415910).

213231130 is a wasteful number, since it uses less digits than its factorization.

213231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046173.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 213231130 is about 14602.4357557224. The cubic root of 213231130 is about 597.4251979443.

Adding to 213231130 its reverse (31132312), we get a palindrome (244363442).

The spelling of 213231130 in words is "two hundred thirteen million, two hundred thirty-one thousand, one hundred thirty".