12903133431 has 4 divisors (see below), whose sum is σ = 17204177912. Its totient is φ = 8602088952.

The previous prime is 12903133429. The next prime is 12903133457. The reversal of 12903133431 is 13433130921.

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

It is not a de Polignac number, because 12903133431 - 2¹ = 12903133429 is a prime.

It is a super-4 number, since 4×12903133431⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12903133231) 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, 2150522236 + ... + 2150522241.

It is an arithmetic number, because the mean of its divisors is an integer number (4301044478).

Almost surely, 2^12903133431 is an apocalyptic number.

12903133431 is a deficient number, since it is larger than the sum of its proper divisors (4301044481).

12903133431 is an equidigital number, since it uses as much as digits as its factorization.

12903133431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301044480.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 12903133431 in words is "twelve billion, nine hundred three million, one hundred thirty-three thousand, four hundred thirty-one".