13429340231 has 4 divisors (see below), whose sum is σ = 13478895264. Its totient is φ = 13379785200.

The previous prime is 13429340167. The next prime is 13429340261. The reversal of 13429340231 is 13204392431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13204392431 = 139 ⋅94995629.

It is a cyclic number.

It is not a de Polignac number, because 13429340231 - 2⁶ = 13429340167 is a prime.

It is a super-2 number, since 2×13429340231² (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 (13429340261) 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, 24777110 + ... + 24777651.

It is an arithmetic number, because the mean of its divisors is an integer number (3369723816).

Almost surely, 2^13429340231 is an apocalyptic number.

13429340231 is a deficient number, since it is larger than the sum of its proper divisors (49555033).

13429340231 is an equidigital number, since it uses as much as digits as its factorization.

13429340231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49555032.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 13429340231 in words is "thirteen billion, four hundred twenty-nine million, three hundred forty thousand, two hundred thirty-one".