131403243111 has 24 divisors (see below), whose sum is σ = 209317474800. Its totient is φ = 73058170752.

The previous prime is 131403243079. The next prime is 131403243133. The reversal of 131403243111 is 111342304131.

It is a happy number.

It is not a de Polignac number, because 131403243111 - 2⁵ = 131403243079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403243611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12074286 + ... + 12085163.

It is an arithmetic number, because the mean of its divisors is an integer number (8721561450).

Almost surely, 2^131403243111 is an apocalyptic number.

131403243111 is a deficient number, since it is larger than the sum of its proper divisors (77914231689).

131403243111 is a wasteful number, since it uses less digits than its factorization.

131403243111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24159503 (or 24159496 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 131403243111 its reverse (111342304131), we get a palindrome (242745547242).

The spelling of 131403243111 in words is "one hundred thirty-one billion, four hundred three million, two hundred forty-three thousand, one hundred eleven".