203430112102431 has 24 divisors (see below), whose sum is σ = 294174469212624. Its totient is φ = 135467356533120.

The previous prime is 203430112102409. The next prime is 203430112102573. The reversal of 203430112102431 is 134201211034302.

203430112102431 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 3 + 0 + 11 + 210 + 2 + 431 = 666.

It is not a de Polignac number, because 203430112102431 - 2⁶ = 203430112102367 is a prime.

It is a super-2 number, since 2×203430112102431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203430112102395 and 203430112102404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203430112103431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61111915 + ... + 64354691.

It is an arithmetic number, because the mean of its divisors is an integer number (12257269550526).

Almost surely, 2^{203430112102431} is an apocalyptic number.

203430112102431 is a deficient number, since it is larger than the sum of its proper divisors (90744357110193).

203430112102431 is a wasteful number, since it uses less digits than its factorization.

203430112102431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250631 (or 3250628 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 203430112102431 its reverse (134201211034302), we get a palindrome (337631323136733).

The spelling of 203430112102431 in words is "two hundred three trillion, four hundred thirty billion, one hundred twelve million, one hundred two thousand, four hundred thirty-one".