203111313412201 has 8 divisors (see below), whose sum is σ = 203510433588264. Its totient is φ = 202712228759040.

The previous prime is 203111313412181. The next prime is 203111313412211. The reversal of 203111313412201 is 102214313111302.

203111313412201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 44981971059600 + 158129342352601 = 6706860^2 + 12574949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203111313412201 - 2²¹ = 203111311315049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203111313412211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2580541 + ... + 20319493.

It is an arithmetic number, because the mean of its divisors is an integer number (25438804198533).

Almost surely, 2^{203111313412201} is an apocalyptic number.

It is an amenable number.

203111313412201 is a deficient number, since it is larger than the sum of its proper divisors (399120176063).

203111313412201 is a wasteful number, since it uses less digits than its factorization.

203111313412201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17761451.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 203111313412201 its reverse (102214313111302), we get a palindrome (305325626523503).

The spelling of 203111313412201 in words is "two hundred three trillion, one hundred eleven billion, three hundred thirteen million, four hundred twelve thousand, two hundred one".