434440134231 has 4 divisors (see below), whose sum is σ = 579253512312. Its totient is φ = 289626756152.

The previous prime is 434440134197. The next prime is 434440134257. The reversal of 434440134231 is 132431044434.

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 434440134231 - 2¹⁰ = 434440133207 is a prime.

It is a super-2 number, since 2×434440134231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 434440134192 and 434440134201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434440134281) 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, 72406689036 + ... + 72406689041.

It is an arithmetic number, because the mean of its divisors is an integer number (144813378078).

Almost surely, 2^434440134231 is an apocalyptic number.

434440134231 is a deficient number, since it is larger than the sum of its proper divisors (144813378081).

434440134231 is a wasteful number, since it uses less digits than its factorization.

434440134231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144813378080.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 434440134231 its reverse (132431044434), we get a palindrome (566871178665).

The spelling of 434440134231 in words is "four hundred thirty-four billion, four hundred forty million, one hundred thirty-four thousand, two hundred thirty-one".