13810384431 has 24 divisors (see below), whose sum is σ = 20821713120. Its totient is φ = 8804057856.

The previous prime is 13810384429. The next prime is 13810384453. The reversal of 13810384431 is 13448301831.

It is a happy number.

13810384431 is a `hidden beast` number, since 138 + 10 + 3 + 84 + 431 = 666.

It is not a de Polignac number, because 13810384431 - 2¹ = 13810384429 is a prime.

It is a super-2 number, since 2×13810384431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13810384481) 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, 915115 + ... + 930083.

It is an arithmetic number, because the mean of its divisors is an integer number (867571380).

Almost surely, 2^13810384431 is an apocalyptic number.

13810384431 is a deficient number, since it is larger than the sum of its proper divisors (7011328689).

13810384431 is a wasteful number, since it uses less digits than its factorization.

13810384431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19455 (or 19452 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 13810384431 in words is "thirteen billion, eight hundred ten million, three hundred eighty-four thousand, four hundred thirty-one".