203133421342 has 8 divisors (see below), whose sum is σ = 304772399856. Its totient is φ = 101542621392.

The previous prime is 203133421261. The next prime is 203133421369. The reversal of 203133421342 is 243124331302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×203133421342² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203133421342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12034098 + ... + 12050965.

It is an arithmetic number, because the mean of its divisors is an integer number (38096549982).

Almost surely, 2^203133421342 is an apocalyptic number.

203133421342 is a deficient number, since it is larger than the sum of its proper divisors (101638978514).

203133421342 is a wasteful number, since it uses less digits than its factorization.

203133421342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24089282.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203133421342 its reverse (243124331302), we get a palindrome (446257752644).

The spelling of 203133421342 in words is "two hundred three billion, one hundred thirty-three million, four hundred twenty-one thousand, three hundred forty-two".