131303112103331 has 4 divisors (see below), whose sum is σ = 150060699546672. Its totient is φ = 112545524659992.

The previous prime is 131303112103279. The next prime is 131303112103337. The reversal of 131303112103331 is 133301211303131.

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 131303112103331 - 2¹⁴ = 131303112086947 is a prime.

It is a super-2 number, since 2×131303112103331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131303112103331.

It is not an unprimeable number, because it can be changed into a prime (131303112103337) 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, 9378793721660 + ... + 9378793721673.

It is an arithmetic number, because the mean of its divisors is an integer number (37515174886668).

Almost surely, 2^{131303112103331} is an apocalyptic number.

131303112103331 is a deficient number, since it is larger than the sum of its proper divisors (18757587443341).

131303112103331 is an equidigital number, since it uses as much as digits as its factorization.

131303112103331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18757587443340.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 131303112103331 its reverse (133301211303131), we get a palindrome (264604323406462).

The spelling of 131303112103331 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred twelve million, one hundred three thousand, three hundred thirty-one".