33431045252 has 48 divisors (see below), whose sum is σ = 65516640000. Its totient is φ = 14797935360.

The previous prime is 33431045251. The next prime is 33431045269. The reversal of 33431045252 is 25254013433.

It is a super-2 number, since 2×33431045252² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33431045251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187874 + ... + 319622.

It is an arithmetic number, because the mean of its divisors is an integer number (1364930000).

Almost surely, 2^33431045252 is an apocalyptic number.

It is an amenable number.

33431045252 is a deficient number, since it is larger than the sum of its proper divisors (32085594748).

33431045252 is a wasteful number, since it uses less digits than its factorization.

33431045252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131916 (or 131914 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 33431045252 its reverse (25254013433), we get a palindrome (58685058685).

The spelling of 33431045252 in words is "thirty-three billion, four hundred thirty-one million, forty-five thousand, two hundred fifty-two".