131011343203331 has 4 divisors (see below), whose sum is σ = 131011465325664. Its totient is φ = 131011221081000.

The previous prime is 131011343203327. The next prime is 131011343203357. The reversal of 131011343203331 is 133302343110131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131011343203331 - 2² = 131011343203327 is a prime.

It is a super-2 number, since 2×131011343203331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131011343203294 and 131011343203303.

It is not an unprimeable number, because it can be changed into a prime (131011343203361) 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, 59437595 + ... + 61602356.

It is an arithmetic number, because the mean of its divisors is an integer number (32752866331416).

Almost surely, 2^{131011343203331} is an apocalyptic number.

131011343203331 is a deficient number, since it is larger than the sum of its proper divisors (122122333).

131011343203331 is a wasteful number, since it uses less digits than its factorization.

131011343203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122122332.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 131011343203331 its reverse (133302343110131), we get a palindrome (264313686313462).

The spelling of 131011343203331 in words is "one hundred thirty-one trillion, eleven billion, three hundred forty-three million, two hundred three thousand, three hundred thirty-one".