13165431430 has 16 divisors (see below), whose sum is σ = 23734643184. Its totient is φ = 5257980000.

The previous prime is 13165431319. The next prime is 13165431439. The reversal of 13165431430 is 3413456131.

It is a junction number, because it is equal to n+sod(n) for n = 13165431392 and 13165431401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13165431439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017321 + ... + 1030180.

It is an arithmetic number, because the mean of its divisors is an integer number (1483415199).

Almost surely, 2^13165431430 is an apocalyptic number.

13165431430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13165431430 is a deficient number, since it is larger than the sum of its proper divisors (10569211754).

13165431430 is a wasteful number, since it uses less digits than its factorization.

13165431430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048151.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 13165431430 its reverse (3413456131), we get a palindrome (16578887561).

The spelling of 13165431430 in words is "thirteen billion, one hundred sixty-five million, four hundred thirty-one thousand, four hundred thirty".