131402321111123 has 2 divisors, whose sum is σ = 131402321111124. Its totient is φ = 131402321111122.

The previous prime is 131402321111081. The next prime is 131402321111141. The reversal of 131402321111123 is 321111123204131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131402321111123 - 2¹⁸ = 131402320848979 is a prime.

It is a super-2 number, since 2×131402321111123² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 131402321111092 and 131402321111101.

It is not a weakly prime, because it can be changed into another prime (131402321111143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701160555561 + 65701160555562.

It is an arithmetic number, because the mean of its divisors is an integer number (65701160555562).

Almost surely, 2^{131402321111123} is an apocalyptic number.

131402321111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

131402321111123 is an equidigital number, since it uses as much as digits as its factorization.

131402321111123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 131402321111123 its reverse (321111123204131), we get a palindrome (452513444315254).

The spelling of 131402321111123 in words is "one hundred thirty-one trillion, four hundred two billion, three hundred twenty-one million, one hundred eleven thousand, one hundred twenty-three".