12450103431 has 4 divisors (see below), whose sum is σ = 16600137912. Its totient is φ = 8300068952.

The previous prime is 12450103423. The next prime is 12450103433. The reversal of 12450103431 is 13430105421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12450103431 - 2³ = 12450103423 is a prime.

It is a super-2 number, since 2×12450103431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450103433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075017236 + ... + 2075017241.

It is an arithmetic number, because the mean of its divisors is an integer number (4150034478).

Almost surely, 2^12450103431 is an apocalyptic number.

12450103431 is a deficient number, since it is larger than the sum of its proper divisors (4150034481).

12450103431 is an equidigital number, since it uses as much as digits as its factorization.

12450103431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150034480.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 12450103431 its reverse (13430105421), we get a palindrome (25880208852).

The spelling of 12450103431 in words is "twelve billion, four hundred fifty million, one hundred three thousand, four hundred thirty-one".