203121641334 has 48 divisors (see below), whose sum is σ = 416947998096. Its totient is φ = 65967832320.

The previous prime is 203121641273. The next prime is 203121641339. The reversal of 203121641334 is 433146121302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203121641339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7783452 + ... + 7809504.

It is an arithmetic number, because the mean of its divisors is an integer number (8686416627).

Almost surely, 2^203121641334 is an apocalyptic number.

203121641334 is an abundant number, since it is smaller than the sum of its proper divisors (213826356762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203121641334 is a wasteful number, since it uses less digits than its factorization.

203121641334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26913 (or 26872 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 203121641334 its reverse (433146121302), we get a palindrome (636267762636).

The spelling of 203121641334 in words is "two hundred three billion, one hundred twenty-one million, six hundred forty-one thousand, three hundred thirty-four".