142211503231311 has 8 divisors (see below), whose sum is σ = 189615447259264. Its totient is φ = 94807614012120.

The previous prime is 142211503231283. The next prime is 142211503231339. The reversal of 142211503231311 is 113132305112241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142211503231283) and next prime (142211503231339).

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

It is not a de Polignac number, because 142211503231311 - 2⁶ = 142211503231247 is a prime.

It is a super-2 number, since 2×142211503231311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142211503231211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7208251 + ... + 18340716.

It is an arithmetic number, because the mean of its divisors is an integer number (23701930907408).

Almost surely, 2^{142211503231311} is an apocalyptic number.

142211503231311 is a deficient number, since it is larger than the sum of its proper divisors (47403944027953).

142211503231311 is a wasteful number, since it uses less digits than its factorization.

142211503231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27404381.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 142211503231311 its reverse (113132305112241), we get a palindrome (255343808343552).

The spelling of 142211503231311 in words is "one hundred forty-two trillion, two hundred eleven billion, five hundred three million, two hundred thirty-one thousand, three hundred eleven".