131321123119 has 2 divisors, whose sum is σ = 131321123120. Its totient is φ = 131321123118.

The previous prime is 131321123113. The next prime is 131321123149. The reversal of 131321123119 is 911321123131.

It is a weak prime.

It is an emirp because it is prime and its reverse (911321123131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131321123119 - 2¹³ = 131321114927 is a prime.

It is a super-2 number, since 2×131321123119² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131321123113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65660561559 + 65660561560.

It is an arithmetic number, because the mean of its divisors is an integer number (65660561560).

Almost surely, 2^131321123119 is an apocalyptic number.

131321123119 is a deficient number, since it is larger than the sum of its proper divisors (1).

131321123119 is an equidigital number, since it uses as much as digits as its factorization.

131321123119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 28.

The spelling of 131321123119 in words is "one hundred thirty-one billion, three hundred twenty-one million, one hundred twenty-three thousand, one hundred nineteen".