203113012221230 has 32 divisors (see below), whose sum is σ = 369715195903680. Its totient is φ = 80334538421760.

The previous prime is 203113012221199. The next prime is 203113012221233. The reversal of 203113012221230 is 32122210311302.

It is a junction number, because it is equal to n+sod(n) for n = 203113012221196 and 203113012221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203113012221233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190785611 + ... + 191847270.

It is an arithmetic number, because the mean of its divisors is an integer number (11553599871990).

Almost surely, 2^{203113012221230} is an apocalyptic number.

203113012221230 is a deficient number, since it is larger than the sum of its proper divisors (166602183682450).

203113012221230 is a wasteful number, since it uses less digits than its factorization.

203113012221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382633484.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 203113012221230 its reverse (32122210311302), we get a palindrome (235235222532532).

The spelling of 203113012221230 in words is "two hundred three trillion, one hundred thirteen billion, twelve million, two hundred twenty-one thousand, two hundred thirty".