203102031230 has 16 divisors (see below), whose sum is σ = 417809892960. Its totient is φ = 69634982112.

The previous prime is 203102031221. The next prime is 203102031257. The reversal of 203102031230 is 32130201302.

It is a junction number, because it is equal to n+sod(n) for n = 203102031199 and 203102031208.

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, 1450728725 + ... + 1450728864.

It is an arithmetic number, because the mean of its divisors is an integer number (26113118310).

Almost surely, 2^203102031230 is an apocalyptic number.

203102031230 is an abundant number, since it is smaller than the sum of its proper divisors (214707861730).

203102031230 is a wasteful number, since it uses less digits than its factorization.

203102031230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901457603.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 203102031230 its reverse (32130201302), we get a palindrome (235232232532).

The spelling of 203102031230 in words is "two hundred three billion, one hundred two million, thirty-one thousand, two hundred thirty".