203031240042 has 64 divisors (see below), whose sum is σ = 415186611840. Its totient is φ = 66165964800.

The previous prime is 203031240019. The next prime is 203031240073. The reversal of 203031240042 is 240042130302.

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, 186095917 + ... + 186097007.

It is an arithmetic number, because the mean of its divisors is an integer number (6487290810).

Almost surely, 2^203031240042 is an apocalyptic number.

203031240042 is an abundant number, since it is smaller than the sum of its proper divisors (212155371798).

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

203031240042 is a wasteful number, since it uses less digits than its factorization.

203031240042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 203031240042 its reverse (240042130302), we get a palindrome (443073370344).

The spelling of 203031240042 in words is "two hundred three billion, thirty-one million, two hundred forty thousand, forty-two".