213314442 has 32 divisors (see below), whose sum is σ = 469946880. Its totient is φ = 64011120.

The previous prime is 213314383. The next prime is 213314447. The reversal of 213314442 is 244413312.

It is not an unprimeable number, because it can be changed into a prime (213314447) 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, 8892 + ... + 22487.

It is an arithmetic number, because the mean of its divisors is an integer number (14685840).

Almost surely, 2^213314442 is an apocalyptic number.

213314442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213314442 is an abundant number, since it is smaller than the sum of its proper divisors (256632438).

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

213314442 is a wasteful number, since it uses less digits than its factorization.

213314442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31498.

The product of its digits is 2304, while the sum is 24.

The square root of 213314442 is about 14605.2881518990. The cubic root of 213314442 is about 597.5029949139.

Adding to 213314442 its reverse (244413312), we get a palindrome (457727754).

The spelling of 213314442 in words is "two hundred thirteen million, three hundred fourteen thousand, four hundred forty-two".