21310023232302 has 32 divisors (see below), whose sum is σ = 50025073846272. Its totient is φ = 5924021901984.

The previous prime is 21310023232283. The next prime is 21310023232343. The reversal of 21310023232302 is 20323232001312.

It is a super-2 number, since 2×21310023232302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6856505278 + ... + 6856508385.

It is an arithmetic number, because the mean of its divisors is an integer number (1563283557696).

Almost surely, 2^{21310023232302} is an apocalyptic number.

21310023232302 is an abundant number, since it is smaller than the sum of its proper divisors (28715050613970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21310023232302 is a wasteful number, since it uses less digits than its factorization.

21310023232302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13713013712.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21310023232302 its reverse (20323232001312), we get a palindrome (41633255233614).

The spelling of 21310023232302 in words is "twenty-one trillion, three hundred ten billion, twenty-three million, two hundred thirty-two thousand, three hundred two".