203344330132021 has 16 divisors (see below), whose sum is σ = 233821465105536. Its totient is φ = 175366098806976.

The previous prime is 203344330132003. The next prime is 203344330132061. The reversal of 203344330132021 is 120231033443302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 203344330132021 - 2⁵ = 203344330131989 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 (203344330132001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7907910070 + ... + 7907935783.

It is an arithmetic number, because the mean of its divisors is an integer number (14613841569096).

Almost surely, 2^{203344330132021} is an apocalyptic number.

It is an amenable number.

203344330132021 is a deficient number, since it is larger than the sum of its proper divisors (30477134973515).

203344330132021 is a wasteful number, since it uses less digits than its factorization.

203344330132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15815845932.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 203344330132021 its reverse (120231033443302), we get a palindrome (323575363575323).

The spelling of 203344330132021 in words is "two hundred three trillion, three hundred forty-four billion, three hundred thirty million, one hundred thirty-two thousand, twenty-one".