1142142242431 has 8 divisors (see below), whose sum is σ = 1144857716928. Its totient is φ = 1139427072000.

The previous prime is 1142142242407. The next prime is 1142142242467. The reversal of 1142142242431 is 1342422412411.

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 1142142242431 - 2⁵ = 1142142242399 is a prime.

It is a super-2 number, since 2×1142142242431² (a number of 25 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 = 1142142242393 and 1142142242402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142142242471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8623671 + ... + 8755111.

It is an arithmetic number, because the mean of its divisors is an integer number (143107214616).

Almost surely, 2^{1142142242431} is an apocalyptic number.

1142142242431 is a deficient number, since it is larger than the sum of its proper divisors (2715474497).

1142142242431 is a wasteful number, since it uses less digits than its factorization.

1142142242431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152033.

The product of its digits is 12288, while the sum is 31.

Adding to 1142142242431 its reverse (1342422412411), we get a palindrome (2484564654842).

The spelling of 1142142242431 in words is "one trillion, one hundred forty-two billion, one hundred forty-two million, two hundred forty-two thousand, four hundred thirty-one".