131044002101 has 2 divisors, whose sum is σ = 131044002102. Its totient is φ = 131044002100.

The previous prime is 131044002091. The next prime is 131044002109. The reversal of 131044002101 is 101200440131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123463687876 + 7580314225 = 351374^2 + 87065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131044002101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131044002101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131044002109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65522001050 + 65522001051.

It is an arithmetic number, because the mean of its divisors is an integer number (65522001051).

Almost surely, 2^131044002101 is an apocalyptic number.

It is an amenable number.

131044002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

131044002101 is an equidigital number, since it uses as much as digits as its factorization.

131044002101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 131044002101 its reverse (101200440131), we get a palindrome (232244442232).

The spelling of 131044002101 in words is "one hundred thirty-one billion, forty-four million, two thousand, one hundred one".