13431354345 has 48 divisors (see below), whose sum is σ = 24057506304. Its totient is φ = 6924960000.

The previous prime is 13431354337. The next prime is 13431354383. The reversal of 13431354345 is 54345313431.

It is not a de Polignac number, because 13431354345 - 2³ = 13431354337 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1461565 + ... + 1470725.

It is an arithmetic number, because the mean of its divisors is an integer number (501198048).

Almost surely, 2^13431354345 is an apocalyptic number.

13431354345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13431354345 is a deficient number, since it is larger than the sum of its proper divisors (10626151959).

13431354345 is a wasteful number, since it uses less digits than its factorization.

13431354345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10254 (or 10251 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

Adding to 13431354345 its reverse (54345313431), we get a palindrome (67776667776).

The spelling of 13431354345 in words is "thirteen billion, four hundred thirty-one million, three hundred fifty-four thousand, three hundred forty-five".