213010133231231 has 16 divisors (see below), whose sum is σ = 258270530396160. Its totient is φ = 171608660989920.

The previous prime is 213010133231209. The next prime is 213010133231297. The reversal of 213010133231231 is 132132331010312.

It is a de Polignac number, because none of the positive numbers 2^k-213010133231231 is a prime.

It is a super-2 number, since 2×213010133231231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213010133231231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213010133261231) 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, 6305415980 + ... + 6305449761.

It is an arithmetic number, because the mean of its divisors is an integer number (16141908149760).

Almost surely, 2^{213010133231231} is an apocalyptic number.

213010133231231 is a deficient number, since it is larger than the sum of its proper divisors (45260397164929).

213010133231231 is a wasteful number, since it uses less digits than its factorization.

213010133231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12610865894.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 213010133231231 its reverse (132132331010312), we get a palindrome (345142464241543).

The spelling of 213010133231231 in words is "two hundred thirteen trillion, ten billion, one hundred thirty-three million, two hundred thirty-one thousand, two hundred thirty-one".