21322131310313 has 8 divisors (see below), whose sum is σ = 21854259778560. Its totient is φ = 20795694055920.

The previous prime is 21322131310283. The next prime is 21322131310321. The reversal of 21322131310313 is 31301313122312.

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

It is a cyclic number.

It is not a de Polignac number, because 21322131310313 - 2⁸ = 21322131310057 is a prime.

It is a super-2 number, since 2×21322131310313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21322131310373) 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, 1422795878 + ... + 1422810863.

It is an arithmetic number, because the mean of its divisors is an integer number (2731782472320).

Almost surely, 2^{21322131310313} is an apocalyptic number.

It is an amenable number.

21322131310313 is a deficient number, since it is larger than the sum of its proper divisors (532128468247).

21322131310313 is a wasteful number, since it uses less digits than its factorization.

21322131310313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845606927.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 21322131310313 its reverse (31301313122312), we get a palindrome (52623444432625).

The spelling of 21322131310313 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred thirty-one million, three hundred ten thousand, three hundred thirteen".