203414134221 has 32 divisors (see below), whose sum is σ = 305809920000. Its totient is φ = 133617624624.

The previous prime is 203414134213. The next prime is 203414134237. The reversal of 203414134221 is 122431414302.

203414134221 is a `hidden beast` number, since 20 + 3 + 4 + 1 + 413 + 4 + 221 = 666.

It is not a de Polignac number, because 203414134221 - 2³ = 203414134213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203414134271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369640 + ... + 737198.

It is an arithmetic number, because the mean of its divisors is an integer number (9556560000).

Almost surely, 2^203414134221 is an apocalyptic number.

It is an amenable number.

203414134221 is a deficient number, since it is larger than the sum of its proper divisors (102395785779).

203414134221 is a wasteful number, since it uses less digits than its factorization.

203414134221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367870 (or 367864 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 203414134221 its reverse (122431414302), we get a palindrome (325845548523).

The spelling of 203414134221 in words is "two hundred three billion, four hundred fourteen million, one hundred thirty-four thousand, two hundred twenty-one".