203121413142 has 64 divisors (see below), whose sum is σ = 418773991680. Its totient is φ = 65643346944.

The previous prime is 203121413113. The next prime is 203121413171. The reversal of 203121413142 is 241314121302.

It is an interprime number because it is at equal distance from previous prime (203121413113) and next prime (203121413171).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27382218 + ... + 27389634.

It is an arithmetic number, because the mean of its divisors is an integer number (6543343620).

Almost surely, 2^203121413142 is an apocalyptic number.

203121413142 is an abundant number, since it is smaller than the sum of its proper divisors (215652578538).

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

203121413142 is a wasteful number, since it uses less digits than its factorization.

203121413142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8237.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 203121413142 its reverse (241314121302), we get a palindrome (444435534444).

The spelling of 203121413142 in words is "two hundred three billion, one hundred twenty-one million, four hundred thirteen thousand, one hundred forty-two".