232031303132021 has 4 divisors (see below), whose sum is σ = 232031456738700. Its totient is φ = 232031149525344.

The previous prime is 232031303131987. The next prime is 232031303132039. The reversal of 232031303132021 is 120231303130232.

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 207065941125796 + 24965362006225 = 14389786^2 + 4996535^2 .

It is a cyclic number.

It is not a de Polignac number, because 232031303132021 - 2¹⁰ = 232031303130997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232031303132051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74514776 + ... + 77566193.

It is an arithmetic number, because the mean of its divisors is an integer number (58007864184675).

Almost surely, 2^{232031303132021} is an apocalyptic number.

It is an amenable number.

232031303132021 is a deficient number, since it is larger than the sum of its proper divisors (153606679).

232031303132021 is a wasteful number, since it uses less digits than its factorization.

232031303132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153606678.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 232031303132021 its reverse (120231303130232), we get a palindrome (352262606262253).

The spelling of 232031303132021 in words is "two hundred thirty-two trillion, thirty-one billion, three hundred three million, one hundred thirty-two thousand, twenty-one".