142111498231 has 4 divisors (see below), whose sum is σ = 142932952152. Its totient is φ = 141290044312.

The previous prime is 142111498229. The next prime is 142111498271. The reversal of 142111498231 is 132894111241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132894111241 = 8609 ⋅15436649.

It is a cyclic number.

It is not a de Polignac number, because 142111498231 - 2¹ = 142111498229 is a prime.

It is a super-2 number, since 2×142111498231² (a number of 23 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 (142111498271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410726701 + ... + 410727046.

It is an arithmetic number, because the mean of its divisors is an integer number (35733238038).

Almost surely, 2^142111498231 is an apocalyptic number.

142111498231 is a deficient number, since it is larger than the sum of its proper divisors (821453921).

142111498231 is an equidigital number, since it uses as much as digits as its factorization.

142111498231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821453920.

The product of its digits is 13824, while the sum is 37.

The spelling of 142111498231 in words is "one hundred forty-two billion, one hundred eleven million, four hundred ninety-eight thousand, two hundred thirty-one".