203321342 has 16 divisors (see below), whose sum is σ = 355968000. Its totient is φ = 85283448.

The previous prime is 203321341. The next prime is 203321381. The reversal of 203321342 is 243123302.

It is a super-2 number, since 2×203321342² = 82679136225361928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203321341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153842 + ... + 155157.

It is an arithmetic number, because the mean of its divisors is an integer number (22248000).

Almost surely, 2^203321342 is an apocalyptic number.

203321342 is a deficient number, since it is larger than the sum of its proper divisors (152646658).

203321342 is a wasteful number, since it uses less digits than its factorization.

203321342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309055.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 203321342 is about 14259.0792830393. The cubic root of 203321342 is about 588.0230122729.

Adding to 203321342 its reverse (243123302), we get a palindrome (446444644).

The spelling of 203321342 in words is "two hundred three million, three hundred twenty-one thousand, three hundred forty-two".