13101323131 has 4 divisors (see below), whose sum is σ = 14109117232. Its totient is φ = 12093529032.

The previous prime is 13101323083. The next prime is 13101323143. The reversal of 13101323131 is 13132310131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13132310131 = 257 ⋅51098483.

It is a de Polignac number, because none of the positive numbers 2^k-13101323131 is a prime.

It is a super-2 number, since 2×13101323131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13101323099 and 13101323108.

It is not an unprimeable number, because it can be changed into a prime (13101323531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503897031 + ... + 503897056.

It is an arithmetic number, because the mean of its divisors is an integer number (3527279308).

Almost surely, 2^13101323131 is an apocalyptic number.

13101323131 is a deficient number, since it is larger than the sum of its proper divisors (1007794101).

13101323131 is a wasteful number, since it uses less digits than its factorization.

13101323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007794100.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13101323131 its reverse (13132310131), we get a palindrome (26233633262).

The spelling of 13101323131 in words is "thirteen billion, one hundred one million, three hundred twenty-three thousand, one hundred thirty-one".