33132313021 has 8 divisors (see below), whose sum is σ = 34222917888. Its totient is φ = 32043072000.

The previous prime is 33132312991. The next prime is 33132313051. The reversal of 33132313021 is 12031323133.

It is an interprime number because it is at equal distance from previous prime (33132312991) and next prime (33132313051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33132313021 - 2²¹ = 33130215869 is a prime.

It is a super-2 number, since 2×33132313021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33132312983 and 33132313001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33132313051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291460 + ... + 388861.

It is an arithmetic number, because the mean of its divisors is an integer number (4277864736).

Almost surely, 2^33132313021 is an apocalyptic number.

33132313021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33132313021 is a deficient number, since it is larger than the sum of its proper divisors (1090604867).

33132313021 is a wasteful number, since it uses less digits than its factorization.

33132313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681923.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 33132313021 its reverse (12031323133), we get a palindrome (45163636154).

The spelling of 33132313021 in words is "thirty-three billion, one hundred thirty-two million, three hundred thirteen thousand, twenty-one".