13431067378 has 16 divisors (see below), whose sum is σ = 20885769216. Its totient is φ = 6471004320.

The previous prime is 13431067367. The next prime is 13431067381. The reversal of 13431067378 is 87376013431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450426 + ... + 479317.

It is an arithmetic number, because the mean of its divisors is an integer number (1305360576).

Almost surely, 2^13431067378 is an apocalyptic number.

13431067378 is a deficient number, since it is larger than the sum of its proper divisors (7454701838).

13431067378 is a wasteful number, since it uses less digits than its factorization.

13431067378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930009.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 13431067378 in words is "thirteen billion, four hundred thirty-one million, sixty-seven thousand, three hundred seventy-eight".