33023131320 has 64 divisors (see below), whose sum is σ = 99081400320. Its totient is φ = 8805101184.

The previous prime is 33023131189. The next prime is 33023131387. The reversal of 33023131320 is 2313132033.

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, 1788777 + ... + 1807143.

It is an arithmetic number, because the mean of its divisors is an integer number (1548146880).

Almost surely, 2^33023131320 is an apocalyptic number.

33023131320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33023131320 is an abundant number, since it is smaller than the sum of its proper divisors (66058269000).

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

33023131320 is a wasteful number, since it uses less digits than its factorization.

33023131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33364 (or 33360 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33023131320 its reverse (2313132033), we get a palindrome (35336263353).

The spelling of 33023131320 in words is "thirty-three billion, twenty-three million, one hundred thirty-one thousand, three hundred twenty".