203011313230 has 16 divisors (see below), whose sum is σ = 398640397104. Its totient is φ = 73822295680.

The previous prime is 203011313207. The next prime is 203011313243. The reversal of 203011313230 is 32313110302.

It is a junction number, because it is equal to n+sod(n) for n = 203011313198 and 203011313207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922778587 + ... + 922778806.

It is an arithmetic number, because the mean of its divisors is an integer number (24915024819).

Almost surely, 2^203011313230 is an apocalyptic number.

203011313230 is a deficient number, since it is larger than the sum of its proper divisors (195629083874).

203011313230 is a wasteful number, since it uses less digits than its factorization.

203011313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845557411.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 203011313230 its reverse (32313110302), we get a palindrome (235324423532).

The spelling of 203011313230 in words is "two hundred three billion, eleven million, three hundred thirteen thousand, two hundred thirty".