203210321311142 has 24 divisors (see below), whose sum is σ = 319582909299888. Its totient is φ = 96726939521520.

The previous prime is 203210321311117. The next prime is 203210321311181. The reversal of 203210321311142 is 241113123012302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47564753 + ... + 51660684.

It is an arithmetic number, because the mean of its divisors is an integer number (13315954554162).

Almost surely, 2^{203210321311142} is an apocalyptic number.

203210321311142 is a deficient number, since it is larger than the sum of its proper divisors (116372587988746).

203210321311142 is an equidigital number, since it uses as much as digits as its factorization.

203210321311142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99225884 (or 99225673 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 203210321311142 its reverse (241113123012302), we get a palindrome (444323444323444).

The spelling of 203210321311142 in words is "two hundred three trillion, two hundred ten billion, three hundred twenty-one million, three hundred eleven thousand, one hundred forty-two".