21314414031 has 4 divisors (see below), whose sum is σ = 28419218712. Its totient is φ = 14209609352.

The previous prime is 21314413987. The next prime is 21314414057. The reversal of 21314414031 is 13041441312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21314414031 - 2²³ = 21306025423 is a prime.

It is a super-2 number, since 2×21314414031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21314413992 and 21314414010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314414431) 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 3 ways as a sum of consecutive naturals, for example, 3552402336 + ... + 3552402341.

It is an arithmetic number, because the mean of its divisors is an integer number (7104804678).

Almost surely, 2^21314414031 is an apocalyptic number.

21314414031 is a deficient number, since it is larger than the sum of its proper divisors (7104804681).

21314414031 is an equidigital number, since it uses as much as digits as its factorization.

21314414031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104804680.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21314414031 its reverse (13041441312), we get a palindrome (34355855343).

The spelling of 21314414031 in words is "twenty-one billion, three hundred fourteen million, four hundred fourteen thousand, thirty-one".