131112031201 has 2 divisors, whose sum is σ = 131112031202. Its totient is φ = 131112031200.

The previous prime is 131112031187. The next prime is 131112031243. The reversal of 131112031201 is 102130211131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115481030625 + 15631000576 = 339825^2 + 125024^2 .

It is a cyclic number.

It is not a de Polignac number, because 131112031201 - 2⁷ = 131112031073 is a prime.

It is not a weakly prime, because it can be changed into another prime (131112031291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65556015600 + 65556015601.

It is an arithmetic number, because the mean of its divisors is an integer number (65556015601).

Almost surely, 2^131112031201 is an apocalyptic number.

It is an amenable number.

131112031201 is a deficient number, since it is larger than the sum of its proper divisors (1).

131112031201 is an equidigital number, since it uses as much as digits as its factorization.

131112031201 is an evil number, because the sum of its binary digits is even.

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

Adding to 131112031201 its reverse (102130211131), we get a palindrome (233242242332).

The spelling of 131112031201 in words is "one hundred thirty-one billion, one hundred twelve million, thirty-one thousand, two hundred one".