21313210232300 has 72 divisors (see below), whose sum is σ = 53130630942816. Its totient is φ = 7269524213760.

The previous prime is 21313210232291. The next prime is 21313210232309. The reversal of 21313210232300 is 323201231312.

It is an interprime number because it is at equal distance from previous prime (21313210232291) and next prime (21313210232309).

It is not an unprimeable number, because it can be changed into a prime (21313210232309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78744287 + ... + 79014486.

Almost surely, 2^{21313210232300} is an apocalyptic number.

21313210232300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21313210232300 is an abundant number, since it is smaller than the sum of its proper divisors (31817420710516).

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

21313210232300 is a wasteful number, since it uses less digits than its factorization.

21313210232300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157758987 (or 157758980 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21313210232300 its reverse (323201231312), we get a palindrome (21636411463612).

The spelling of 21313210232300 in words is "twenty-one trillion, three hundred thirteen billion, two hundred ten million, two hundred thirty-two thousand, three hundred".