13010323121 has 4 divisors (see below), whose sum is σ = 13010555172. Its totient is φ = 13010091072.

The previous prime is 13010323097. The next prime is 13010323127. The reversal of 13010323121 is 12132301031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12132301031 = 317 ⋅38272243.

It can be written as a sum of positive squares in 2 ways, for example, as 7543791025 + 5466532096 = 86855^2 + 73936^2 .

It is a cyclic number.

It is not a de Polignac number, because 13010323121 - 2¹⁸ = 13010060977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13010323121.

It is not an unprimeable number, because it can be changed into a prime (13010323127) 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, 26141 + ... + 163413.

It is an arithmetic number, because the mean of its divisors is an integer number (3252638793).

Almost surely, 2^13010323121 is an apocalyptic number.

It is an amenable number.

13010323121 is a deficient number, since it is larger than the sum of its proper divisors (232051).

13010323121 is an equidigital number, since it uses as much as digits as its factorization.

13010323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232050.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13010323121 its reverse (12132301031), we get a palindrome (25142624152).

The spelling of 13010323121 in words is "thirteen billion, ten million, three hundred twenty-three thousand, one hundred twenty-one".