213104342 has 32 divisors (see below), whose sum is σ = 373334400. Its totient is φ = 90201600.

The previous prime is 213104329. The next prime is 213104351. The reversal of 213104342 is 243401312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20342 + ... + 28982.

It is an arithmetic number, because the mean of its divisors is an integer number (11666700).

Almost surely, 2^213104342 is an apocalyptic number.

213104342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213104342 is a deficient number, since it is larger than the sum of its proper divisors (160230058).

213104342 is a wasteful number, since it uses less digits than its factorization.

213104342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8732.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 213104342 is about 14598.0937796686. The cubic root of 213104342 is about 597.3067640740.

Adding to 213104342 its reverse (243401312), we get a palindrome (456505654).

It can be divided in two parts, 21310 and 4342, that added together give a palindrome (25652).

The spelling of 213104342 in words is "two hundred thirteen million, one hundred four thousand, three hundred forty-two".