131031011203229 has 2 divisors, whose sum is σ = 131031011203230. Its totient is φ = 131031011203228.

The previous prime is 131031011203159. The next prime is 131031011203387. The reversal of 131031011203229 is 922302110130131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93858797205625 + 37172213997604 = 9688075^2 + 6096902^2 .

It is a cyclic number.

It is not a de Polignac number, because 131031011203229 - 2¹² = 131031011199133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131031011203429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65515505601614 + 65515505601615.

It is an arithmetic number, because the mean of its divisors is an integer number (65515505601615).

Almost surely, 2^{131031011203229} is an apocalyptic number.

It is an amenable number.

131031011203229 is a deficient number, since it is larger than the sum of its proper divisors (1).

131031011203229 is an equidigital number, since it uses as much as digits as its factorization.

131031011203229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 131031011203229 in words is "one hundred thirty-one trillion, thirty-one billion, eleven million, two hundred three thousand, two hundred twenty-nine".