13013431454 has 4 divisors (see below), whose sum is σ = 19520147184. Its totient is φ = 6506715726.

The previous prime is 13013431427. The next prime is 13013431573. The reversal of 13013431454 is 45413431031.

It is a happy number.

13013431454 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3253357862 + ... + 3253357865.

It is an arithmetic number, because the mean of its divisors is an integer number (4880036796).

Almost surely, 2^13013431454 is an apocalyptic number.

13013431454 is a deficient number, since it is larger than the sum of its proper divisors (6506715730).

13013431454 is an equidigital number, since it uses as much as digits as its factorization.

13013431454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506715729.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 13013431454 its reverse (45413431031), we get a palindrome (58426862485).

The spelling of 13013431454 in words is "thirteen billion, thirteen million, four hundred thirty-one thousand, four hundred fifty-four".