33431052 has 48 divisors (see below), whose sum is σ = 82817280. Its totient is φ = 10473408.

The previous prime is 33431033. The next prime is 33431087. The reversal of 33431052 is 25013433.

It is a super-2 number, since 2×33431052² = 2235270475653408, which contains 22 as substring.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15258 + ... + 17310.

It is an arithmetic number, because the mean of its divisors is an integer number (1725360).

Almost surely, 2^33431052 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 33431052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41408640).

33431052 is an abundant number, since it is smaller than the sum of its proper divisors (49386228).

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

33431052 is a wasteful number, since it uses less digits than its factorization.

33431052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 33431052 is about 5781.9591835294. The cubic root of 33431052 is about 322.1439758393.

Adding to 33431052 its reverse (25013433), we get a palindrome (58444485).

The spelling of 33431052 in words is "thirty-three million, four hundred thirty-one thousand, fifty-two".