213123130000231 has 16 divisors (see below), whose sum is σ = 232540933667328. Its totient is φ = 193712491235200.

The previous prime is 213123130000219. The next prime is 213123130000243. The reversal of 213123130000231 is 132000031321312.

It is an interprime number because it is at equal distance from previous prime (213123130000219) and next prime (213123130000243).

It is a cyclic number.

It is not a de Polignac number, because 213123130000231 - 2¹⁹ = 213123129475943 is a prime.

It is a super-2 number, since 2×213123130000231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213123130090231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2219591535 + ... + 2219687551.

It is an arithmetic number, because the mean of its divisors is an integer number (14533808354208).

Almost surely, 2^{213123130000231} is an apocalyptic number.

213123130000231 is a deficient number, since it is larger than the sum of its proper divisors (19417803667097).

213123130000231 is a wasteful number, since it uses less digits than its factorization.

213123130000231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131222.

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

Adding to 213123130000231 its reverse (132000031321312), we get a palindrome (345123161321543).

The spelling of 213123130000231 in words is "two hundred thirteen trillion, one hundred twenty-three billion, one hundred thirty million, two hundred thirty-one", and thus it is an aban number.