203134021424 has 10 divisors (see below), whose sum is σ = 393572166540. Its totient is φ = 101567010704.

The previous prime is 203134021397. The next prime is 203134021451. The reversal of 203134021424 is 424120431302.

It is an interprime number because it is at equal distance from previous prime (203134021397) and next prime (203134021451).

It is a junction number, because it is equal to n+sod(n) for n = 203134021393 and 203134021402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6347938154 + ... + 6347938185.

It is an arithmetic number, because the mean of its divisors is an integer number (39357216654).

Almost surely, 2^203134021424 is an apocalyptic number.

It is an amenable number.

203134021424 is a deficient number, since it is larger than the sum of its proper divisors (190438145116).

203134021424 is a wasteful number, since it uses less digits than its factorization.

203134021424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12695876347 (or 12695876341 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 203134021424 its reverse (424120431302), we get a palindrome (627254452726).

The spelling of 203134021424 in words is "two hundred three billion, one hundred thirty-four million, twenty-one thousand, four hundred twenty-four".