10316122261 has 4 divisors (see below), whose sum is σ = 10535614272. Its totient is φ = 10096630252.

The previous prime is 10316122253. The next prime is 10316122283. The reversal of 10316122261 is 16222161301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10316122261 - 2³ = 10316122253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10316122961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109745935 + ... + 109746028.

It is an arithmetic number, because the mean of its divisors is an integer number (2633903568).

Almost surely, 2^10316122261 is an apocalyptic number.

It is an amenable number.

10316122261 is a deficient number, since it is larger than the sum of its proper divisors (219492011).

10316122261 is an equidigital number, since it uses as much as digits as its factorization.

10316122261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219492010.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 10316122261 its reverse (16222161301), we get a palindrome (26538283562).

The spelling of 10316122261 in words is "ten billion, three hundred sixteen million, one hundred twenty-two thousand, two hundred sixty-one".