142230001231 has 4 divisors (see below), whose sum is σ = 148413914352. Its totient is φ = 136046088112.

The previous prime is 142230001223. The next prime is 142230001289. The reversal of 142230001231 is 132100032241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132100032241 = 8713 ⋅15161257.

It is a cyclic number.

It is not a de Polignac number, because 142230001231 - 2³ = 142230001223 is a prime.

It is a super-2 number, since 2×142230001231² (a number of 23 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 = 142230001199 and 142230001208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142230001031) 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, 3091956526 + ... + 3091956571.

It is an arithmetic number, because the mean of its divisors is an integer number (37103478588).

Almost surely, 2^142230001231 is an apocalyptic number.

142230001231 is a deficient number, since it is larger than the sum of its proper divisors (6183913121).

142230001231 is an equidigital number, since it uses as much as digits as its factorization.

142230001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183913120.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 142230001231 its reverse (132100032241), we get a palindrome (274330033472).

The spelling of 142230001231 in words is "one hundred forty-two billion, two hundred thirty million, one thousand, two hundred thirty-one".