131043142203 has 4 divisors (see below), whose sum is σ = 174724189608. Its totient is φ = 87362094800.

The previous prime is 131043142171. The next prime is 131043142231. The reversal of 131043142203 is 302241340131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302241340131 = 3 ⋅100747113377.

It is a cyclic number.

It is not a de Polignac number, because 131043142203 - 2⁵ = 131043142171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131043142283) 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, 21840523698 + ... + 21840523703.

It is an arithmetic number, because the mean of its divisors is an integer number (43681047402).

Almost surely, 2^131043142203 is an apocalyptic number.

131043142203 is a deficient number, since it is larger than the sum of its proper divisors (43681047405).

131043142203 is an equidigital number, since it uses as much as digits as its factorization.

131043142203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43681047404.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131043142203 its reverse (302241340131), we get a palindrome (433284482334).

The spelling of 131043142203 in words is "one hundred thirty-one billion, forty-three million, one hundred forty-two thousand, two hundred three".