34121432431 has 4 divisors (see below), whose sum is σ = 34177646272. Its totient is φ = 34065218592.

The previous prime is 34121432407. The next prime is 34121432447. The reversal of 34121432431 is 13423412143.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13423412143 = 17 ⋅789612479.

It is a cyclic number.

It is not a de Polignac number, because 34121432431 - 2¹⁷ = 34121301359 is a prime.

It is a super-2 number, since 2×34121432431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34121432431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34121432461) 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, 28106010 + ... + 28107223.

It is an arithmetic number, because the mean of its divisors is an integer number (8544411568).

Almost surely, 2^34121432431 is an apocalyptic number.

34121432431 is a deficient number, since it is larger than the sum of its proper divisors (56213841).

34121432431 is an equidigital number, since it uses as much as digits as its factorization.

34121432431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56213840.

The product of its digits is 6912, while the sum is 28.

Adding to 34121432431 its reverse (13423412143), we get a palindrome (47544844574).

The spelling of 34121432431 in words is "thirty-four billion, one hundred twenty-one million, four hundred thirty-two thousand, four hundred thirty-one".