203541613242 has 32 divisors (see below), whose sum is σ = 450719023104. Its totient is φ = 60758689200.

The previous prime is 203541613237. The next prime is 203541613273. The reversal of 203541613242 is 242316145302.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23010234 + ... + 23019077.

It is an arithmetic number, because the mean of its divisors is an integer number (14084969472).

Almost surely, 2^203541613242 is an apocalyptic number.

203541613242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203541613242 is an abundant number, since it is smaller than the sum of its proper divisors (247177409862).

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

203541613242 is a wasteful number, since it uses less digits than its factorization.

203541613242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46029394.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 203541613242 its reverse (242316145302), we get a palindrome (445857758544).

The spelling of 203541613242 in words is "two hundred three billion, five hundred forty-one million, six hundred thirteen thousand, two hundred forty-two".