213010213231 has 16 divisors (see below), whose sum is σ = 237208497408. Its totient is φ = 190352448000.

The previous prime is 213010213219. The next prime is 213010213277. The reversal of 213010213231 is 132312010312.

It is a cyclic number.

It is not a de Polignac number, because 213010213231 - 2¹³ = 213010205039 is a prime.

It is a super-2 number, since 2×213010213231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213010213199 and 213010213208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213010213211) 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, 3785220 + ... + 3841081.

It is an arithmetic number, because the mean of its divisors is an integer number (14825531088).

Almost surely, 2^213010213231 is an apocalyptic number.

213010213231 is a deficient number, since it is larger than the sum of its proper divisors (24198284177).

213010213231 is a wasteful number, since it uses less digits than its factorization.

213010213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7626402.

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

Adding to 213010213231 its reverse (132312010312), we get a palindrome (345322223543).

The spelling of 213010213231 in words is "two hundred thirteen billion, ten million, two hundred thirteen thousand, two hundred thirty-one".