33243133001 has 18 divisors (see below), whose sum is σ = 37991365470. Its totient is φ = 29070864576.

The previous prime is 33243132977. The next prime is 33243133037. The reversal of 33243133001 is 10033134233.

It can be written as a sum of positive squares in 3 ways, for example, as 1092025 + 33242040976 = 1045^2 + 182324^2 .

It is not a de Polignac number, because 33243133001 - 2²² = 33238938697 is a prime.

It is a super-2 number, since 2×33243133001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33243133051) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 211436 + ... + 333453.

It is an arithmetic number, because the mean of its divisors is an integer number (2110631415).

Almost surely, 2^33243133001 is an apocalyptic number.

It is an amenable number.

33243133001 is a deficient number, since it is larger than the sum of its proper divisors (4748232469).

33243133001 is a wasteful number, since it uses less digits than its factorization.

33243133001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544953 (or 544921 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33243133001 its reverse (10033134233), we get a palindrome (43276267234).

The spelling of 33243133001 in words is "thirty-three billion, two hundred forty-three million, one hundred thirty-three thousand, one".