20431241441403 has 16 divisors (see below), whose sum is σ = 29506746208800. Its totient is φ = 12500394937344.

The previous prime is 20431241441287. The next prime is 20431241441407. The reversal of 20431241441403 is 30414414213402.

It is a happy number.

It is not a de Polignac number, because 20431241441403 - 2²⁴ = 20431224664187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20431241441407) 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, 1514091478 + ... + 1514104971.

It is an arithmetic number, because the mean of its divisors is an integer number (1844171638050).

Almost surely, 2^{20431241441403} is an apocalyptic number.

20431241441403 is a deficient number, since it is larger than the sum of its proper divisors (9075504767397).

20431241441403 is a wasteful number, since it uses less digits than its factorization.

20431241441403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028196638.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 20431241441403 its reverse (30414414213402), we get a palindrome (50845655654805).

The spelling of 20431241441403 in words is "twenty trillion, four hundred thirty-one billion, two hundred forty-one million, four hundred forty-one thousand, four hundred three".