10203202131 has 16 divisors (see below), whose sum is σ = 13808514720. Its totient is φ = 6700734720.

The previous prime is 10203202127. The next prime is 10203202151. The reversal of 10203202131 is 13120230201.

It is not a de Polignac number, because 10203202131 - 2² = 10203202127 is a prime.

It is a super-2 number, since 2×10203202131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10203202131.

It is not an unprimeable number, because it can be changed into a prime (10203202151) 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 15 ways as a sum of consecutive naturals, for example, 33610 + ... + 146751.

It is an arithmetic number, because the mean of its divisors is an integer number (863032170).

Almost surely, 2^10203202131 is an apocalyptic number.

10203202131 is a deficient number, since it is larger than the sum of its proper divisors (3605312589).

10203202131 is a wasteful number, since it uses less digits than its factorization.

10203202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180646.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10203202131 its reverse (13120230201), we get a palindrome (23323432332).

The spelling of 10203202131 in words is "ten billion, two hundred three million, two hundred two thousand, one hundred thirty-one".