203011112113311 has 64 divisors (see below), whose sum is σ = 282363656140800. Its totient is φ = 129644816716800.

The previous prime is 203011112113307. The next prime is 203011112113387. The reversal of 203011112113311 is 113311211110302.

203011112113311 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203011112113311 - 2² = 203011112113307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203011112114311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11921484945 + ... + 11921501973.

It is an arithmetic number, because the mean of its divisors is an integer number (4411932127200).

Almost surely, 2^{203011112113311} is an apocalyptic number.

203011112113311 is a deficient number, since it is larger than the sum of its proper divisors (79352544027489).

203011112113311 is a wasteful number, since it uses less digits than its factorization.

203011112113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23920.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 203011112113311 its reverse (113311211110302), we get a palindrome (316322323223613).

The spelling of 203011112113311 in words is "two hundred three trillion, eleven billion, one hundred twelve million, one hundred thirteen thousand, three hundred eleven".