10203204431 has 16 divisors (see below), whose sum is σ = 11700566016. Its totient is φ = 8715841056.

The previous prime is 10203204419. The next prime is 10203204461. The reversal of 10203204431 is 13440230201.

It is a cyclic number.

It is not a de Polignac number, because 10203204431 - 2³⁰ = 9129462607 is a prime.

It is a super-2 number, since 2×10203204431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203204461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2874800 + ... + 2878346.

It is an arithmetic number, because the mean of its divisors is an integer number (731285376).

Almost surely, 2^10203204431 is an apocalyptic number.

10203204431 is a deficient number, since it is larger than the sum of its proper divisors (1497361585).

10203204431 is an equidigital number, since it uses as much as digits as its factorization.

10203204431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10203204431 its reverse (13440230201), we get a palindrome (23643434632).

The spelling of 10203204431 in words is "ten billion, two hundred three million, two hundred four thousand, four hundred thirty-one".