13123011230131 has 4 divisors (see below), whose sum is σ = 14316012251064. Its totient is φ = 11930010209200.

The previous prime is 13123011230099. The next prime is 13123011230143. The reversal of 13123011230131 is 13103211032131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13123011230131 - 2⁵ = 13123011230099 is a prime.

It is a super-2 number, since 2×13123011230131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123011230831) 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, 596500510450 + ... + 596500510471.

It is an arithmetic number, because the mean of its divisors is an integer number (3579003062766).

Almost surely, 2^{13123011230131} is an apocalyptic number.

13123011230131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13123011230131 is a deficient number, since it is larger than the sum of its proper divisors (1193001020933).

13123011230131 is a wasteful number, since it uses less digits than its factorization.

13123011230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193001020932.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13123011230131 its reverse (13103211032131), we get a palindrome (26226222262262).

The spelling of 13123011230131 in words is "thirteen trillion, one hundred twenty-three billion, eleven million, two hundred thirty thousand, one hundred thirty-one".