13012423431 has 16 divisors (see below), whose sum is σ = 20250338304. Its totient is φ = 7277464224.

The previous prime is 13012423427. The next prime is 13012423433. The reversal of 13012423431 is 13432421031.

It is a happy number.

13012423431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13012423431 - 2² = 13012423427 is a prime.

It is a super-2 number, since 2×13012423431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012423433) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 6590920 + ... + 6592893.

It is an arithmetic number, because the mean of its divisors is an integer number (1265646144).

Almost surely, 2^13012423431 is an apocalyptic number.

13012423431 is a deficient number, since it is larger than the sum of its proper divisors (7237914873).

13012423431 is a wasteful number, since it uses less digits than its factorization.

13012423431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13183870.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13012423431 its reverse (13432421031), we get a palindrome (26444844462).

The spelling of 13012423431 in words is "thirteen billion, twelve million, four hundred twenty-three thousand, four hundred thirty-one".