34043400431 has 4 divisors (see below), whose sum is σ = 34113305232. Its totient is φ = 33973495632.

The previous prime is 34043400409. The next prime is 34043400437. The reversal of 34043400431 is 13400434043.

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 34043400431 - 2¹⁴ = 34043384047 is a prime.

It is a super-2 number, since 2×34043400431² (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 34043400431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34043400437) 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, 34951670 + ... + 34952643.

It is an arithmetic number, because the mean of its divisors is an integer number (8528326308).

Almost surely, 2^34043400431 is an apocalyptic number.

34043400431 is a deficient number, since it is larger than the sum of its proper divisors (69904801).

34043400431 is an equidigital number, since it uses as much as digits as its factorization.

34043400431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69904800.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 34043400431 its reverse (13400434043), we get a palindrome (47443834474).

The spelling of 34043400431 in words is "thirty-four billion, forty-three million, four hundred thousand, four hundred thirty-one".