213010203033231 has 12 divisors (see below), whose sum is σ = 294144885999432. Its totient is φ = 137110015743904.

The previous prime is 213010203033223. The next prime is 213010203033233. The reversal of 213010203033231 is 132330302010312.

It is not a de Polignac number, because 213010203033231 - 2³ = 213010203033223 is a prime.

It is a super-2 number, since 2×213010203033231² (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 (213010203033233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42213672276 + ... + 42213677321.

It is an arithmetic number, because the mean of its divisors is an integer number (24512073833286).

Almost surely, 2^{213010203033231} is an apocalyptic number.

213010203033231 is a deficient number, since it is larger than the sum of its proper divisors (81134682966201).

213010203033231 is an equidigital number, since it uses as much as digits as its factorization.

213010203033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84427349658 (or 84427349629 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 213010203033231 its reverse (132330302010312), we get a palindrome (345340505043543).

The spelling of 213010203033231 in words is "two hundred thirteen trillion, ten billion, two hundred three million, thirty-three thousand, two hundred thirty-one".