34431423231 has 16 divisors (see below), whose sum is σ = 46891736064. Its totient is φ = 22462829664.

The previous prime is 34431423203. The next prime is 34431423277. The reversal of 34431423231 is 13232413443.

It is a happy number.

It is not a de Polignac number, because 34431423231 - 2⁵ = 34431423199 is a prime.

It is a super-2 number, since 2×34431423231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34431423031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1526125 + ... + 1548521.

It is an arithmetic number, because the mean of its divisors is an integer number (2930733504).

Almost surely, 2^34431423231 is an apocalyptic number.

34431423231 is a deficient number, since it is larger than the sum of its proper divisors (12460312833).

34431423231 is a wasteful number, since it uses less digits than its factorization.

34431423231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33350.

The product of its digits is 20736, while the sum is 30.

Adding to 34431423231 its reverse (13232413443), we get a palindrome (47663836674).

The spelling of 34431423231 in words is "thirty-four billion, four hundred thirty-one million, four hundred twenty-three thousand, two hundred thirty-one".