213343414011231 has 24 divisors (see below), whose sum is σ = 331977839276160. Its totient is φ = 121513419587952.

The previous prime is 213343414011127. The next prime is 213343414011239. The reversal of 213343414011231 is 132110414343312.

It is a happy number.

It is not a de Polignac number, because 213343414011231 - 2²¹ = 213343411914079 is a prime.

It is a super-2 number, since 2×213343414011231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213343414011192 and 213343414011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213343414011239) 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, 2363661291 + ... + 2363751548.

It is an arithmetic number, because the mean of its divisors is an integer number (13832409969840).

Almost surely, 2^{213343414011231} is an apocalyptic number.

213343414011231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213343414011231 is a deficient number, since it is larger than the sum of its proper divisors (118634425264929).

213343414011231 is a wasteful number, since it uses less digits than its factorization.

213343414011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727413163 (or 4727413156 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 213343414011231 its reverse (132110414343312), we get a palindrome (345453828354543).

The spelling of 213343414011231 in words is "two hundred thirteen trillion, three hundred forty-three billion, four hundred fourteen million, eleven thousand, two hundred thirty-one".