203312121211231 has 8 divisors (see below), whose sum is σ = 204961073185440. Its totient is φ = 201669804859392.

The previous prime is 203312121211219. The next prime is 203312121211261. The reversal of 203312121211231 is 132112121213302.

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 203312121211231 - 2¹⁹ = 203312120686943 is a prime.

It is a super-3 number, since 3×203312121211231³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203312121211196 and 203312121211205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203312121211261) 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, 1658844066 + ... + 1658966623.

It is an arithmetic number, because the mean of its divisors is an integer number (25620134148180).

Almost surely, 2^{203312121211231} is an apocalyptic number.

203312121211231 is a deficient number, since it is larger than the sum of its proper divisors (1648951974209).

203312121211231 is a wasteful number, since it uses less digits than its factorization.

203312121211231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317811185.

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

Adding to 203312121211231 its reverse (132112121213302), we get a palindrome (335424242424533).

The spelling of 203312121211231 in words is "two hundred three trillion, three hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, two hundred thirty-one".