21310230130213 has 8 divisors (see below), whose sum is σ = 21834896541696. Its totient is φ = 20785797276000.

The previous prime is 21310230130187. The next prime is 21310230130223. The reversal of 21310230130213 is 31203103201312.

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

It is a cyclic number.

It is not a de Polignac number, because 21310230130213 - 2⁹ = 21310230129701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21310230130223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58204581 + ... + 58569562.

It is an arithmetic number, because the mean of its divisors is an integer number (2729362067712).

Almost surely, 2^{21310230130213} is an apocalyptic number.

It is an amenable number.

21310230130213 is a deficient number, since it is larger than the sum of its proper divisors (524666411483).

21310230130213 is a wasteful number, since it uses less digits than its factorization.

21310230130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116778635.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21310230130213 its reverse (31203103201312), we get a palindrome (52513333331525).

The spelling of 21310230130213 in words is "twenty-one trillion, three hundred ten billion, two hundred thirty million, one hundred thirty thousand, two hundred thirteen".