13783783131 has 24 divisors (see below), whose sum is σ = 20299477536. Its totient is φ = 9010846080.

The previous prime is 13783783127. The next prime is 13783783133. The reversal of 13783783131 is 13138738731.

It is not a de Polignac number, because 13783783131 - 2² = 13783783127 is a prime.

It is a super-2 number, since 2×13783783131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13783783133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53026 + ... + 174296.

It is an arithmetic number, because the mean of its divisors is an integer number (845811564).

Almost surely, 2^13783783131 is an apocalyptic number.

13783783131 is a deficient number, since it is larger than the sum of its proper divisors (6515694405).

13783783131 is a wasteful number, since it uses less digits than its factorization.

13783783131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121523 (or 121520 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The spelling of 13783783131 in words is "thirteen billion, seven hundred eighty-three million, seven hundred eighty-three thousand, one hundred thirty-one".