131310341243131 has 4 divisors (see below), whose sum is σ = 131311604323000. Its totient is φ = 131309078163264.

The previous prime is 131310341243101. The next prime is 131310341243149. The reversal of 131310341243131 is 131342143013131.

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 131310341243131 - 2¹¹ = 131310341241083 is a prime.

It is a super-2 number, since 2×131310341243131² (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 = 131310341243093 and 131310341243102.

It is not an unprimeable number, because it can be changed into a prime (131310341243101) 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, 631383981 + ... + 631591918.

It is an arithmetic number, because the mean of its divisors is an integer number (32827901080750).

Almost surely, 2^{131310341243131} is an apocalyptic number.

131310341243131 is a deficient number, since it is larger than the sum of its proper divisors (1263079869).

131310341243131 is a wasteful number, since it uses less digits than its factorization.

131310341243131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263079868.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 131310341243131 its reverse (131342143013131), we get a palindrome (262652484256262).

The spelling of 131310341243131 in words is "one hundred thirty-one trillion, three hundred ten billion, three hundred forty-one million, two hundred forty-three thousand, one hundred thirty-one".