21313114234 has 32 divisors (see below), whose sum is σ = 34960896000. Its totient is φ = 9700965120.

The previous prime is 21313114231. The next prime is 21313114253. The reversal of 21313114234 is 43241131312.

It is a junction number, because it is equal to n+sod(n) for n = 21313114199 and 21313114208.

It is not an unprimeable number, because it can be changed into a prime (21313114231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2524332 + ... + 2532760.

It is an arithmetic number, because the mean of its divisors is an integer number (1092528000).

Almost surely, 2^21313114234 is an apocalyptic number.

21313114234 is a deficient number, since it is larger than the sum of its proper divisors (13647781766).

21313114234 is a wasteful number, since it uses less digits than its factorization.

21313114234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10878.

The product of its digits is 1728, while the sum is 25.

Adding to 21313114234 its reverse (43241131312), we get a palindrome (64554245546).

The spelling of 21313114234 in words is "twenty-one billion, three hundred thirteen million, one hundred fourteen thousand, two hundred thirty-four".