13012431431 has 8 divisors (see below), whose sum is σ = 13779025344. Its totient is φ = 12245966080.

The previous prime is 13012431407. The next prime is 13012431433. The reversal of 13012431431 is 13413421031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13012431431 - 2¹⁰ = 13012430407 is a prime.

It is a super-2 number, since 2×13012431431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13012431397 and 13012431406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012431433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244211 + ... + 292683.

It is an arithmetic number, because the mean of its divisors is an integer number (1722378168).

Almost surely, 2^13012431431 is an apocalyptic number.

13012431431 is a deficient number, since it is larger than the sum of its proper divisors (766593913).

13012431431 is a wasteful number, since it uses less digits than its factorization.

13012431431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64281.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13012431431 its reverse (13413421031), we get a palindrome (26425852462).

The spelling of 13012431431 in words is "thirteen billion, twelve million, four hundred thirty-one thousand, four hundred thirty-one".