213340146231 has 24 divisors (see below), whose sum is σ = 309395285760. Its totient is φ = 130394622960.

The previous prime is 213340146223. The next prime is 213340146233. The reversal of 213340146231 is 132641043312.

It is not a de Polignac number, because 213340146231 - 2³ = 213340146223 is a prime.

It is a super-3 number, since 3×213340146231³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213340146233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1892575 + ... + 2002128.

It is an arithmetic number, because the mean of its divisors is an integer number (12891470240).

Almost surely, 2^213340146231 is an apocalyptic number.

213340146231 is a deficient number, since it is larger than the sum of its proper divisors (96055139529).

213340146231 is a wasteful number, since it uses less digits than its factorization.

213340146231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894787 (or 3894756 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 213340146231 its reverse (132641043312), we get a palindrome (345981189543).

The spelling of 213340146231 in words is "two hundred thirteen billion, three hundred forty million, one hundred forty-six thousand, two hundred thirty-one".