33431233052 has 48 divisors (see below), whose sum is σ = 67481326080. Its totient is φ = 14195483712.

The previous prime is 33431233013. The next prime is 33431233111. The reversal of 33431233052 is 25033213433.

It is a super-2 number, since 2×33431233052² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1949138 + ... + 1966214.

It is an arithmetic number, because the mean of its divisors is an integer number (1405860960).

Almost surely, 2^33431233052 is an apocalyptic number.

It is an amenable number.

33431233052 is an abundant number, since it is smaller than the sum of its proper divisors (34050093028).

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

33431233052 is a wasteful number, since it uses less digits than its factorization.

33431233052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17730 (or 17728 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 29.

Adding to 33431233052 its reverse (25033213433), we get a palindrome (58464446485).

The spelling of 33431233052 in words is "thirty-three billion, four hundred thirty-one million, two hundred thirty-three thousand, fifty-two".