21313120293 has 48 divisors (see below), whose sum is σ = 31792176000. Its totient is φ = 13753238400.

The previous prime is 21313120273. The next prime is 21313120313. The reversal of 21313120293 is 39202131312.

It is an interprime number because it is at equal distance from previous prime (21313120273) and next prime (21313120313).

It is not a de Polignac number, because 21313120293 - 2⁵ = 21313120261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21313120273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10671571 + ... + 10673567.

It is an arithmetic number, because the mean of its divisors is an integer number (662337000).

Almost surely, 2^21313120293 is an apocalyptic number.

It is an amenable number.

21313120293 is a deficient number, since it is larger than the sum of its proper divisors (10479055707).

21313120293 is a wasteful number, since it uses less digits than its factorization.

21313120293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 21313120293 in words is "twenty-one billion, three hundred thirteen million, one hundred twenty thousand, two hundred ninety-three".