203312010131 has 4 divisors (see below), whose sum is σ = 203323445472. Its totient is φ = 203300574792.

The previous prime is 203312010089. The next prime is 203312010163. The reversal of 203312010131 is 131010213302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131010213302 = 2 ⋅65505106651.

It is a cyclic number.

It is not a de Polignac number, because 203312010131 - 2¹⁸ = 203311747987 is a prime.

It is a super-2 number, since 2×203312010131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203312010331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5690960 + ... + 5726573.

It is an arithmetic number, because the mean of its divisors is an integer number (50830861368).

Almost surely, 2^203312010131 is an apocalyptic number.

203312010131 is a deficient number, since it is larger than the sum of its proper divisors (11435341).

203312010131 is a wasteful number, since it uses less digits than its factorization.

203312010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11435340.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 203312010131 its reverse (131010213302), we get a palindrome (334322223433).

The spelling of 203312010131 in words is "two hundred three billion, three hundred twelve million, ten thousand, one hundred thirty-one".