31432533433252 has 144 divisors (see below), whose sum is σ = 68811868675200. Its totient is φ = 12552854731200.

The previous prime is 31432533433193. The next prime is 31432533433253. The reversal of 31432533433252 is 25233433523413.

31432533433252 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 31432533433199 and 31432533433208.

It is not an unprimeable number, because it can be changed into a prime (31432533433253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29692627 + ... + 30732997.

Almost surely, 2^{31432533433252} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31432533433252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34405934337600).

31432533433252 is an abundant number, since it is smaller than the sum of its proper divisors (37379335241948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31432533433252 is a wasteful number, since it uses less digits than its factorization.

31432533433252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040495 (or 1040460 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 43.

Adding to 31432533433252 its reverse (25233433523413), we get a palindrome (56665966956665).

The spelling of 31432533433252 in words is "thirty-one trillion, four hundred thirty-two billion, five hundred thirty-three million, four hundred thirty-three thousand, two hundred fifty-two".