213230003231 has 40 divisors (see below), whose sum is σ = 270294259200. Its totient is φ = 167562606960.

The previous prime is 213230003201. The next prime is 213230003243. The reversal of 213230003231 is 132300032312.

It is a de Polignac number, because none of the positive numbers 2^k-213230003231 is a prime.

It is a super-2 number, since 2×213230003231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213230003201) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1338800 + ... + 1489578.

It is an arithmetic number, because the mean of its divisors is an integer number (6757356480).

Almost surely, 2^213230003231 is an apocalyptic number.

213230003231 is a deficient number, since it is larger than the sum of its proper divisors (57064255969).

213230003231 is an equidigital number, since it uses as much as digits as its factorization.

213230003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150857 (or 150836 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213230003231 its reverse (132300032312), we get a palindrome (345530035543).

It can be divided in two parts, 2 and 13230003231, that multiplied together give a palindrome (26460006462).

The spelling of 213230003231 in words is "two hundred thirteen billion, two hundred thirty million, three thousand, two hundred thirty-one".