201314421 has 24 divisors (see below), whose sum is σ = 362541504. Its totient is φ = 104578560.

The previous prime is 201314411. The next prime is 201314429. The reversal of 201314421 is 124413102.

It is not a de Polignac number, because 201314421 - 2⁷ = 201314293 is a prime.

It is a super-2 number, since 2×201314421² = 81054992205130482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201314394 and 201314403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201314429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144556 + ... + 145941.

It is an arithmetic number, because the mean of its divisors is an integer number (15105896).

Almost surely, 2^201314421 is an apocalyptic number.

201314421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201314421 is a deficient number, since it is larger than the sum of its proper divisors (161227083).

201314421 is a wasteful number, since it uses less digits than its factorization.

201314421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290521 (or 290518 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 201314421 is about 14188.5313193438. The cubic root of 201314421 is about 586.0818813778.

Adding to 201314421 its reverse (124413102), we get a palindrome (325727523).

The spelling of 201314421 in words is "two hundred one million, three hundred fourteen thousand, four hundred twenty-one".