203123013220331 has 8 divisors (see below), whose sum is σ = 203139054902784. Its totient is φ = 203106972056040.

The previous prime is 203123013220297. The next prime is 203123013220417. The reversal of 203123013220331 is 133022310321302.

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 203123013220331 - 2¹⁰ = 203123013219307 is a prime.

It is a super-2 number, since 2×203123013220331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203123013220331.

It is not an unprimeable number, because it can be changed into a prime (203123013520331) 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, 1172252606 + ... + 1172425868.

It is an arithmetic number, because the mean of its divisors is an integer number (25392381862848).

Almost surely, 2^{203123013220331} is an apocalyptic number.

203123013220331 is a deficient number, since it is larger than the sum of its proper divisors (16041682453).

203123013220331 is a wasteful number, since it uses less digits than its factorization.

203123013220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259081.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 203123013220331 its reverse (133022310321302), we get a palindrome (336145323541633).

The spelling of 203123013220331 in words is "two hundred three trillion, one hundred twenty-three billion, thirteen million, two hundred twenty thousand, three hundred thirty-one".