13108263731 has 4 divisors (see below), whose sum is σ = 13274191200. Its totient is φ = 12942336264.

The previous prime is 13108263719. The next prime is 13108263733. The reversal of 13108263731 is 13736280131.

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 13108263731 - 2⁶ = 13108263667 is a prime.

It is a super-2 number, since 2×13108263731² (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 = 13108263691 and 13108263700.

It is not an unprimeable number, because it can be changed into a prime (13108263733) 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, 82963616 + ... + 82963773.

It is an arithmetic number, because the mean of its divisors is an integer number (3318547800).

Almost surely, 2^13108263731 is an apocalyptic number.

13108263731 is a deficient number, since it is larger than the sum of its proper divisors (165927469).

13108263731 is an equidigital number, since it uses as much as digits as its factorization.

13108263731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165927468.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 13108263731 in words is "thirteen billion, one hundred eight million, two hundred sixty-three thousand, seven hundred thirty-one".