203213313342 has 24 divisors (see below), whose sum is σ = 474164398344. Its totient is φ = 62527173264.

The previous prime is 203213313341. The next prime is 203213313349. The reversal of 203213313342 is 243313312302.

203213313342 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 1 + 3 + 313 + 342 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203213313341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434216248 + ... + 434216715.

It is an arithmetic number, because the mean of its divisors is an integer number (19756849931).

Almost surely, 2^203213313342 is an apocalyptic number.

203213313342 is an abundant number, since it is smaller than the sum of its proper divisors (270951085002).

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

203213313342 is a wasteful number, since it uses less digits than its factorization.

203213313342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868432984 (or 868432981 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 203213313342 its reverse (243313312302), we get a palindrome (446526625644).

The spelling of 203213313342 in words is "two hundred three billion, two hundred thirteen million, three hundred thirteen thousand, three hundred forty-two".