131211233241001 has 2 divisors, whose sum is σ = 131211233241002. Its totient is φ = 131211233241000.

The previous prime is 131211233240947. The next prime is 131211233241007. The reversal of 131211233241001 is 100142332112131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130326083442025 + 885149798976 = 11416045^2 + 940824^2 .

It is a cyclic number.

It is not a de Polignac number, because 131211233241001 - 2¹³ = 131211233232809 is a prime.

It is not a weakly prime, because it can be changed into another prime (131211233241007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65605616620500 + 65605616620501.

It is an arithmetic number, because the mean of its divisors is an integer number (65605616620501).

Almost surely, 2^{131211233241001} is an apocalyptic number.

It is an amenable number.

131211233241001 is a deficient number, since it is larger than the sum of its proper divisors (1).

131211233241001 is an equidigital number, since it uses as much as digits as its factorization.

131211233241001 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 25.

Adding to 131211233241001 its reverse (100142332112131), we get a palindrome (231353565353132).

The spelling of 131211233241001 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred thirty-three million, two hundred forty-one thousand, one".