13431302343 has 24 divisors (see below), whose sum is σ = 19491872400. Its totient is φ = 8912252160.

The previous prime is 13431302329. The next prime is 13431302413. The reversal of 13431302343 is 34320313431.

13431302343 is a `hidden beast` number, since 1 + 3 + 4 + 313 + 0 + 2 + 343 = 666.

It is not a de Polignac number, because 13431302343 - 2²² = 13427108039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431302323) 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, 1859008 + ... + 1866218.

It is an arithmetic number, because the mean of its divisors is an integer number (812161350).

Almost surely, 2^13431302343 is an apocalyptic number.

13431302343 is a deficient number, since it is larger than the sum of its proper divisors (6060570057).

13431302343 is a wasteful number, since it uses less digits than its factorization.

13431302343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159 (or 8156 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 13431302343 its reverse (34320313431), we get a palindrome (47751615774).

The spelling of 13431302343 in words is "thirteen billion, four hundred thirty-one million, three hundred two thousand, three hundred forty-three".