31634434232 has 48 divisors (see below), whose sum is σ = 62231541840. Its totient is φ = 15047041152.

The previous prime is 31634434213. The next prime is 31634434259. The reversal of 31634434232 is 23243443613.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31634434192 and 31634434201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36826619 + ... + 36827477.

It is an arithmetic number, because the mean of its divisors is an integer number (1296490455).

Almost surely, 2^31634434232 is an apocalyptic number.

It is an amenable number.

31634434232 is a deficient number, since it is larger than the sum of its proper divisors (30597107608).

31634434232 is an equidigital number, since it uses as much as digits as its factorization.

31634434232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980 (or 1117 counting only the distinct ones).

The product of its digits is 124416, while the sum is 35.

Adding to 31634434232 its reverse (23243443613), we get a palindrome (54877877845).

The spelling of 31634434232 in words is "thirty-one billion, six hundred thirty-four million, four hundred thirty-four thousand, two hundred thirty-two".