203431132434026 has 96 divisors (see below), whose sum is σ = 384197595955200. Its totient is φ = 78836736654720.

The previous prime is 203431132434001. The next prime is 203431132434043. The reversal of 203431132434026 is 620434231134302.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41628215 + ... + 46257653.

It is an arithmetic number, because the mean of its divisors is an integer number (4002058291200).

Almost surely, 2^{203431132434026} is an apocalyptic number.

203431132434026 is a deficient number, since it is larger than the sum of its proper divisors (180766463521174).

203431132434026 is a wasteful number, since it uses less digits than its factorization.

203431132434026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629644 (or 4629571 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 38.

Adding to 203431132434026 its reverse (620434231134302), we get a palindrome (823865363568328).

The spelling of 203431132434026 in words is "two hundred three trillion, four hundred thirty-one billion, one hundred thirty-two million, four hundred thirty-four thousand, twenty-six".