213120231000013 has 4 divisors (see below), whose sum is σ = 213120335139520. Its totient is φ = 213120126860508.

The previous prime is 213120230999989. The next prime is 213120231000107. The reversal of 213120231000013 is 310000132021312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213120231000013 - 2⁵ = 213120230999981 is a prime.

It is a super-2 number, since 2×213120231000013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213120231000613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48937203 + ... + 53113936.

It is an arithmetic number, because the mean of its divisors is an integer number (53280083784880).

Almost surely, 2^{213120231000013} is an apocalyptic number.

It is an amenable number.

213120231000013 is a deficient number, since it is larger than the sum of its proper divisors (104139507).

213120231000013 is a wasteful number, since it uses less digits than its factorization.

213120231000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104139506.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213120231000013 its reverse (310000132021312), we get a palindrome (523120363021325).

The spelling of 213120231000013 in words is "two hundred thirteen trillion, one hundred twenty billion, two hundred thirty-one million, thirteen", and thus it is an aban number.