10203204131 has 4 divisors (see below), whose sum is σ = 10440487992. Its totient is φ = 9965920272.

The previous prime is 10203204119. The next prime is 10203204149. The reversal of 10203204131 is 13140230201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10203204131 - 2¹⁰ = 10203203107 is a prime.

It is a super-2 number, since 2×10203204131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10203204181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118641866 + ... + 118641951.

It is an arithmetic number, because the mean of its divisors is an integer number (2610121998).

Almost surely, 2^10203204131 is an apocalyptic number.

10203204131 is a deficient number, since it is larger than the sum of its proper divisors (237283861).

10203204131 is an equidigital number, since it uses as much as digits as its factorization.

10203204131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237283860.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10203204131 its reverse (13140230201), we get a palindrome (23343434332).

The spelling of 10203204131 in words is "ten billion, two hundred three million, two hundred four thousand, one hundred thirty-one".