203113221240430 has 32 divisors (see below), whose sum is σ = 386266199823360. Its totient is φ = 76685201396640.

The previous prime is 203113221240361. The next prime is 203113221240467. The reversal of 203113221240430 is 34042122311302.

It is a congruent 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, 1972304514 + ... + 1972407493.

It is an arithmetic number, because the mean of its divisors is an integer number (12070818744480).

Almost surely, 2^{203113221240430} is an apocalyptic number.

203113221240430 is a deficient number, since it is larger than the sum of its proper divisors (183152978582930).

203113221240430 is a wasteful number, since it uses less digits than its factorization.

203113221240430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944712304.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 203113221240430 its reverse (34042122311302), we get a palindrome (237155343551732).

The spelling of 203113221240430 in words is "two hundred three trillion, one hundred thirteen billion, two hundred twenty-one million, two hundred forty thousand, four hundred thirty".