13070636431 has 4 divisors (see below), whose sum is σ = 13083073864. Its totient is φ = 13058199000.

The previous prime is 13070636407. The next prime is 13070636459. The reversal of 13070636431 is 13463607031.

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

It is a cyclic number.

It is not a de Polignac number, because 13070636431 - 2⁵ = 13070636399 is a prime.

It is a super-2 number, since 2×13070636431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13070636471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6217140 + ... + 6219241.

It is an arithmetic number, because the mean of its divisors is an integer number (3270768466).

Almost surely, 2^13070636431 is an apocalyptic number.

13070636431 is a deficient number, since it is larger than the sum of its proper divisors (12437433).

13070636431 is a wasteful number, since it uses less digits than its factorization.

13070636431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12437432.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 13070636431 in words is "thirteen billion, seventy million, six hundred thirty-six thousand, four hundred thirty-one".