203123144131 has 8 divisors (see below), whose sum is σ = 215076793104. Its totient is φ = 191170076160.

The previous prime is 203123144113. The next prime is 203123144137. The reversal of 203123144131 is 131441321302.

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 203123144131 - 2¹¹ = 203123142083 is a prime.

It is a super-2 number, since 2×203123144131² (a number of 23 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 = 203123144096 and 203123144105.

It is not an unprimeable number, because it can be changed into a prime (203123144137) 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, 722811 + ... + 963691.

It is an arithmetic number, because the mean of its divisors is an integer number (26884599138).

Almost surely, 2^203123144131 is an apocalyptic number.

203123144131 is a deficient number, since it is larger than the sum of its proper divisors (11953648973).

203123144131 is a wasteful number, since it uses less digits than its factorization.

203123144131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290501.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 203123144131 its reverse (131441321302), we get a palindrome (334564465433).

The spelling of 203123144131 in words is "two hundred three billion, one hundred twenty-three million, one hundred forty-four thousand, one hundred thirty-one".