203344313442 has 32 divisors (see below), whose sum is σ = 420742771200. Its totient is φ = 65448821760.

The previous prime is 203344313437. The next prime is 203344313467. The reversal of 203344313442 is 244313443302.

It is a happy number.

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, 1133913 + ... + 1300940.

It is an arithmetic number, because the mean of its divisors is an integer number (13148211600).

Almost surely, 2^203344313442 is an apocalyptic number.

203344313442 is an abundant number, since it is smaller than the sum of its proper divisors (217398457758).

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

203344313442 is a wasteful number, since it uses less digits than its factorization.

203344313442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435338.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 203344313442 its reverse (244313443302), we get a palindrome (447657756744).

The spelling of 203344313442 in words is "two hundred three billion, three hundred forty-four million, three hundred thirteen thousand, four hundred forty-two".