31434133423 has 12 divisors (see below), whose sum is σ = 39890440872. Its totient is φ = 24494129520.

The previous prime is 31434133411. The next prime is 31434133429. The reversal of 31434133423 is 32433143413.

It is a de Polignac number, because none of the positive numbers 2^k-31434133423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31434133429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29159140 + ... + 29160217.

It is an arithmetic number, because the mean of its divisors is an integer number (3324203406).

Almost surely, 2^31434133423 is an apocalyptic number.

31434133423 is a deficient number, since it is larger than the sum of its proper divisors (8456307449).

31434133423 is a wasteful number, since it uses less digits than its factorization.

31434133423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58319382 (or 58319375 counting only the distinct ones).

The product of its digits is 31104, while the sum is 31.

Adding to 31434133423 its reverse (32433143413), we get a palindrome (63867276836).

The spelling of 31434133423 in words is "thirty-one billion, four hundred thirty-four million, one hundred thirty-three thousand, four hundred twenty-three".