203311130203031 has 8 divisors (see below), whose sum is σ = 203855531606400. Its totient is φ = 202766770697400.

The previous prime is 203311130203009. The next prime is 203311130203033. The reversal of 203311130203031 is 130302031113302.

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 203311130203031 - 2³⁰ = 203310056461207 is a prime.

It is a super-2 number, since 2×203311130203031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203311130202988 and 203311130203006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203311130203033) 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, 744245 + ... + 20178606.

It is an arithmetic number, because the mean of its divisors is an integer number (25481941450800).

Almost surely, 2^{203311130203031} is an apocalyptic number.

203311130203031 is a deficient number, since it is larger than the sum of its proper divisors (544401403369).

203311130203031 is a wasteful number, since it uses less digits than its factorization.

203311130203031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20948869.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 203311130203031 its reverse (130302031113302), we get a palindrome (333613161316333).

The spelling of 203311130203031 in words is "two hundred three trillion, three hundred eleven billion, one hundred thirty million, two hundred three thousand, thirty-one".