213111342102431 has 8 divisors (see below), whose sum is σ = 225657362528064. Its totient is φ = 200566439357440.

The previous prime is 213111342102427. The next prime is 213111342102437. The reversal of 213111342102431 is 134201243111312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213111342102431 - 2² = 213111342102427 is a prime.

It is a super-2 number, since 2×213111342102431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213111342102394 and 213111342102403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213111342102437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279027575 + ... + 279790296.

It is an arithmetic number, because the mean of its divisors is an integer number (28207170316008).

Almost surely, 2^{213111342102431} is an apocalyptic number.

213111342102431 is a deficient number, since it is larger than the sum of its proper divisors (12546020425633).

213111342102431 is a wasteful number, since it uses less digits than its factorization.

213111342102431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558840321.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 213111342102431 its reverse (134201243111312), we get a palindrome (347312585213743).

The spelling of 213111342102431 in words is "two hundred thirteen trillion, one hundred eleven billion, three hundred forty-two million, one hundred two thousand, four hundred thirty-one".