203012310012231 has 16 divisors (see below), whose sum is σ = 275793049376640. Its totient is φ = 132786606095520.

The previous prime is 203012310012229. The next prime is 203012310012241. The reversal of 203012310012231 is 132210013210302.

It is not a de Polignac number, because 203012310012231 - 2¹ = 203012310012229 is a prime.

It is a super-2 number, since 2×203012310012231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203012310012198 and 203012310012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203012310012241) 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, 9829140 + ... + 22419558.

It is an arithmetic number, because the mean of its divisors is an integer number (17237065586040).

Almost surely, 2^{203012310012231} is an apocalyptic number.

203012310012231 is a deficient number, since it is larger than the sum of its proper divisors (72780739364409).

203012310012231 is a wasteful number, since it uses less digits than its factorization.

203012310012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12691886.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 203012310012231 its reverse (132210013210302), we get a palindrome (335222323222533).

The spelling of 203012310012231 in words is "two hundred three trillion, twelve billion, three hundred ten million, twelve thousand, two hundred thirty-one".