33031421300 has 36 divisors (see below), whose sum is σ = 71710267020. Its totient is φ = 13206654720.

The previous prime is 33031421287. The next prime is 33031421309. The reversal of 33031421300 is 312413033.

It can be written as a sum of positive squares in 6 ways, for example, as 770950756 + 32260470544 = 27766^2 + 179612^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33031421309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154112 + ... + 299688.

Almost surely, 2^33031421300 is an apocalyptic number.

It is an amenable number.

33031421300 is an abundant number, since it is smaller than the sum of its proper divisors (38678845720).

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

33031421300 is a wasteful number, since it uses less digits than its factorization.

33031421300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147860 (or 147853 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33031421300 its reverse (312413033), we get a palindrome (33343834333).

The spelling of 33031421300 in words is "thirty-three billion, thirty-one million, four hundred twenty-one thousand, three hundred".