210203133121431 has 24 divisors (see below), whose sum is σ = 316176745928160. Its totient is φ = 134407118664000.

The previous prime is 210203133121427. The next prime is 210203133121433. The reversal of 210203133121431 is 134121331302012.

210203133121431 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 0 + 313 + 312 + 1 + 4 + 31 = 666.

It is not a de Polignac number, because 210203133121431 - 2² = 210203133121427 is a prime.

It is a super-2 number, since 2×210203133121431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210203133121395 and 210203133121404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210203133121433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2666768500 + ... + 2666847321.

It is an arithmetic number, because the mean of its divisors is an integer number (13174031080340).

Almost surely, 2^{210203133121431} is an apocalyptic number.

210203133121431 is a deficient number, since it is larger than the sum of its proper divisors (105973612806729).

210203133121431 is a wasteful number, since it uses less digits than its factorization.

210203133121431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333616007 (or 5333616004 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 210203133121431 its reverse (134121331302012), we get a palindrome (344324464423443).

The spelling of 210203133121431 in words is "two hundred ten trillion, two hundred three billion, one hundred thirty-three million, one hundred twenty-one thousand, four hundred thirty-one".