13431430 has 16 divisors (see below), whose sum is σ = 24363504. Its totient is φ = 5331040.

The previous prime is 13431421. The next prime is 13431433. The reversal of 13431430 is 3413431.

13431430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13431398 and 13431407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3817 + ... + 6436.

It is an arithmetic number, because the mean of its divisors is an integer number (1522719).

Almost surely, 2^13431430 is an apocalyptic number.

13431430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13431430 is a deficient number, since it is larger than the sum of its proper divisors (10932074).

13431430 is a wasteful number, since it uses less digits than its factorization.

13431430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10391.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13431430 is about 3664.8915400050. The cubic root of 13431430 is about 237.7063322354.

Adding to 13431430 its reverse (3413431), we get a palindrome (16844861).

It can be divided in two parts, 13431 and 430, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 13431430 in words is "thirteen million, four hundred thirty-one thousand, four hundred thirty".