131443311203 has 4 divisors (see below), whose sum is σ = 135683418048. Its totient is φ = 127203204360.

The previous prime is 131443311173. The next prime is 131443311221. The reversal of 131443311203 is 302113344131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302113344131 = 95153 ⋅3175027.

It is a cyclic number.

It is not a de Polignac number, because 131443311203 - 2²⁸ = 131174875747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131443311803) 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, 2120053376 + ... + 2120053437.

It is an arithmetic number, because the mean of its divisors is an integer number (33920854512).

Almost surely, 2^131443311203 is an apocalyptic number.

131443311203 is a deficient number, since it is larger than the sum of its proper divisors (4240106845).

131443311203 is an equidigital number, since it uses as much as digits as its factorization.

131443311203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240106844.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 131443311203 its reverse (302113344131), we get a palindrome (433556655334).

The spelling of 131443311203 in words is "one hundred thirty-one billion, four hundred forty-three million, three hundred eleven thousand, two hundred three".