21313114013 has 8 divisors (see below), whose sum is σ = 23547993408. Its totient is φ = 19187253184.

The previous prime is 21313114007. The next prime is 21313114019. The reversal of 21313114013 is 31041131312.

It is an interprime number because it is at equal distance from previous prime (21313114007) and next prime (21313114019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21313114013 - 2¹⁸ = 21312851869 is a prime.

It is a super-2 number, since 2×21313114013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21313114019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27254231 + ... + 27255012.

It is an arithmetic number, because the mean of its divisors is an integer number (2943499176).

Almost surely, 2^21313114013 is an apocalyptic number.

21313114013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21313114013 is a deficient number, since it is larger than the sum of its proper divisors (2234879395).

21313114013 is a wasteful number, since it uses less digits than its factorization.

21313114013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54509283.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21313114013 its reverse (31041131312), we get a palindrome (52354245325).

The spelling of 21313114013 in words is "twenty-one billion, three hundred thirteen million, one hundred fourteen thousand, thirteen".