131012031211 has 2 divisors, whose sum is σ = 131012031212. Its totient is φ = 131012031210.

The previous prime is 131012031179. The next prime is 131012031239. The reversal of 131012031211 is 112130210131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131012031211 - 2⁵ = 131012031179 is a prime.

It is not a weakly prime, because it can be changed into another prime (131012031281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65506015605 + 65506015606.

It is an arithmetic number, because the mean of its divisors is an integer number (65506015606).

Almost surely, 2^131012031211 is an apocalyptic number.

131012031211 is a deficient number, since it is larger than the sum of its proper divisors (1).

131012031211 is an equidigital number, since it uses as much as digits as its factorization.

131012031211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131012031211 its reverse (112130210131), we get a palindrome (243142241342).

The spelling of 131012031211 in words is "one hundred thirty-one billion, twelve million, thirty-one thousand, two hundred eleven".