3132303121021 has 4 divisors (see below), whose sum is σ = 3240313573500. Its totient is φ = 3024292668544.

The previous prime is 3132303120997. The next prime is 3132303121043. The reversal of 3132303121021 is 1201213032313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1838763120100 + 1293540000921 = 1356010^2 + 1137339^2 .

It is a cyclic number.

It is not a de Polignac number, because 3132303121021 - 2⁷ = 3132303120893 is a prime.

It is a super-2 number, since 2×3132303121021² (a number of 26 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 = 3132303120983 and 3132303121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132303121061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54005226196 + ... + 54005226253.

It is an arithmetic number, because the mean of its divisors is an integer number (810078393375).

Almost surely, 2^{3132303121021} is an apocalyptic number.

It is an amenable number.

3132303121021 is a deficient number, since it is larger than the sum of its proper divisors (108010452479).

3132303121021 is a wasteful number, since it uses less digits than its factorization.

3132303121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108010452478.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3132303121021 its reverse (1201213032313), we get a palindrome (4333516153334).

The spelling of 3132303121021 in words is "three trillion, one hundred thirty-two billion, three hundred three million, one hundred twenty-one thousand, twenty-one".