31434142233244 has 24 divisors (see below), whose sum is σ = 57401949433248. Its totient is φ = 15033596497920.

The previous prime is 31434142233227. The next prime is 31434142233251. The reversal of 31434142233244 is 44233224143413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31434142233197 and 31434142233206.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10369284 + ... + 13053364.

It is an arithmetic number, because the mean of its divisors is an integer number (2391747893052).

Almost surely, 2^{31434142233244} is an apocalyptic number.

It is an amenable number.

31434142233244 is a deficient number, since it is larger than the sum of its proper divisors (25967807200004).

31434142233244 is a wasteful number, since it uses less digits than its factorization.

31434142233244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811405 (or 2811403 counting only the distinct ones).

The product of its digits is 663552, while the sum is 40.

Adding to 31434142233244 its reverse (44233224143413), we get a palindrome (75667366376657).

The spelling of 31434142233244 in words is "thirty-one trillion, four hundred thirty-four billion, one hundred forty-two million, two hundred thirty-three thousand, two hundred forty-four".