131403032212243 has 4 divisors (see below), whose sum is σ = 143348762413368. Its totient is φ = 119457302011120.

The previous prime is 131403032212237. The next prime is 131403032212247. The reversal of 131403032212243 is 342212230304131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131403032212243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131403032212247) 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, 5972865100546 + ... + 5972865100567.

It is an arithmetic number, because the mean of its divisors is an integer number (35837190603342).

Almost surely, 2^{131403032212243} is an apocalyptic number.

131403032212243 is a deficient number, since it is larger than the sum of its proper divisors (11945730201125).

131403032212243 is a wasteful number, since it uses less digits than its factorization.

131403032212243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11945730201124.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 131403032212243 its reverse (342212230304131), we get a palindrome (473615262516374).

The spelling of 131403032212243 in words is "one hundred thirty-one trillion, four hundred three billion, thirty-two million, two hundred twelve thousand, two hundred forty-three".