131123022007 has 2 divisors, whose sum is σ = 131123022008. Its totient is φ = 131123022006.

The previous prime is 131123022001. The next prime is 131123022059. The reversal of 131123022007 is 700220321131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131123022007 - 2²³ = 131114633399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131123022001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65561511003 + 65561511004.

It is an arithmetic number, because the mean of its divisors is an integer number (65561511004).

Almost surely, 2^131123022007 is an apocalyptic number.

131123022007 is a deficient number, since it is larger than the sum of its proper divisors (1).

131123022007 is an equidigital number, since it uses as much as digits as its factorization.

131123022007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 131123022007 its reverse (700220321131), we get a palindrome (831343343138).

The spelling of 131123022007 in words is "one hundred thirty-one billion, one hundred twenty-three million, twenty-two thousand, seven".