10313004500261 has 2 divisors, whose sum is σ = 10313004500262. Its totient is φ = 10313004500260.

The previous prime is 10313004500191. The next prime is 10313004500291. The reversal of 10313004500261 is 16200540031301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6384561579361 + 3928442920900 = 2526769^2 + 1982030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10313004500261 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10313004500261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10313004500291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156502250130 + 5156502250131.

It is an arithmetic number, because the mean of its divisors is an integer number (5156502250131).

Almost surely, 2^{10313004500261} is an apocalyptic number.

It is an amenable number.

10313004500261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10313004500261 is an equidigital number, since it uses as much as digits as its factorization.

10313004500261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 10313004500261 its reverse (16200540031301), we get a palindrome (26513544531562).

The spelling of 10313004500261 in words is "ten trillion, three hundred thirteen billion, four million, five hundred thousand, two hundred sixty-one".