131211210031007 has 2 divisors, whose sum is σ = 131211210031008. Its totient is φ = 131211210031006.

The previous prime is 131211210030911. The next prime is 131211210031169. The reversal of 131211210031007 is 700130012112131.

It is a weak prime.

It is an emirp because it is prime and its reverse (700130012112131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131211210031007 - 2¹⁰ = 131211210029983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131211210030007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65605605015503 + 65605605015504.

It is an arithmetic number, because the mean of its divisors is an integer number (65605605015504).

Almost surely, 2^{131211210031007} is an apocalyptic number.

131211210031007 is a deficient number, since it is larger than the sum of its proper divisors (1).

131211210031007 is an equidigital number, since it uses as much as digits as its factorization.

131211210031007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 131211210031007 its reverse (700130012112131), we get a palindrome (831341222143138).

The spelling of 131211210031007 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred ten million, thirty-one thousand, seven".