21313002123134 has 8 divisors (see below), whose sum is σ = 31972560450768. Its totient is φ = 10655481972880.

The previous prime is 21313002123121. The next prime is 21313002123163. The reversal of 21313002123134 is 43132120031312.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509518202 + ... + 509560029.

It is an arithmetic number, because the mean of its divisors is an integer number (3996570056346).

Almost surely, 2^{21313002123134} is an apocalyptic number.

21313002123134 is a deficient number, since it is larger than the sum of its proper divisors (10659558327634).

21313002123134 is a wasteful number, since it uses less digits than its factorization.

21313002123134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019088690.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 21313002123134 its reverse (43132120031312), we get a palindrome (64445122154446).

The spelling of 21313002123134 in words is "twenty-one trillion, three hundred thirteen billion, two million, one hundred twenty-three thousand, one hundred thirty-four".