203012023321311 has 16 divisors (see below), whose sum is σ = 286742934296928. Its totient is φ = 127318881996800.

The previous prime is 203012023321201. The next prime is 203012023321333. The reversal of 203012023321311 is 113123320210302.

203012023321311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 203012023321311 - 2¹⁷ = 203012023190239 is a prime.

It is a super-2 number, since 2×203012023321311² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203012023321351) 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, 956315760 + ... + 956528021.

It is an arithmetic number, because the mean of its divisors is an integer number (17921433393558).

Almost surely, 2^{203012023321311} is an apocalyptic number.

203012023321311 is a deficient number, since it is larger than the sum of its proper divisors (83730910975617).

203012023321311 is a wasteful number, since it uses less digits than its factorization.

203012023321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912845882.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 203012023321311 its reverse (113123320210302), we get a palindrome (316135343531613).

The spelling of 203012023321311 in words is "two hundred three trillion, twelve billion, twenty-three million, three hundred twenty-one thousand, three hundred eleven".