210203012131 has 16 divisors (see below), whose sum is σ = 251187522048. Its totient is φ = 171989294400.

The previous prime is 210203012101. The next prime is 210203012143. The reversal of 210203012131 is 131210302012.

It is not a de Polignac number, because 210203012131 - 2⁵ = 210203012099 is a prime.

It is a super-2 number, since 2×210203012131² (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 (210203012101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250490 + ... + 1408591.

It is an arithmetic number, because the mean of its divisors is an integer number (15699220128).

Almost surely, 2^210203012131 is an apocalyptic number.

210203012131 is a deficient number, since it is larger than the sum of its proper divisors (40984509917).

210203012131 is a wasteful number, since it uses less digits than its factorization.

210203012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659602.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 210203012131 its reverse (131210302012), we get a palindrome (341413314143).

The spelling of 210203012131 in words is "two hundred ten billion, two hundred three million, twelve thousand, one hundred thirty-one".