131201010949 has 2 divisors, whose sum is σ = 131201010950. Its totient is φ = 131201010948.

The previous prime is 131201010931. The next prime is 131201010961. The reversal of 131201010949 is 949010102131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108888120324 + 22312890625 = 329982^2 + 149375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131201010949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131201010949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131201010349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600505474 + 65600505475.

It is an arithmetic number, because the mean of its divisors is an integer number (65600505475).

Almost surely, 2^131201010949 is an apocalyptic number.

It is an amenable number.

131201010949 is a deficient number, since it is larger than the sum of its proper divisors (1).

131201010949 is an equidigital number, since it uses as much as digits as its factorization.

131201010949 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 31.

The spelling of 131201010949 in words is "one hundred thirty-one billion, two hundred one million, ten thousand, nine hundred forty-nine".