1142110031 has 8 divisors (see below), whose sum is σ = 1224601920. Its totient is φ = 1061319168.

The previous prime is 1142110019. The next prime is 1142110087. The reversal of 1142110031 is 1300112411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142110031 is a prime.

It is a super-2 number, since 2×1142110031² = 2608830645821641922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142109988 and 1142110015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142110231) 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, 423866 + ... + 426551.

It is an arithmetic number, because the mean of its divisors is an integer number (153075240).

Almost surely, 2^1142110031 is an apocalyptic number.

1142110031 is a deficient number, since it is larger than the sum of its proper divisors (82491889).

1142110031 is an equidigital number, since it uses as much as digits as its factorization.

1142110031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850513.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1142110031 is about 33795.1184492672. The cubic root of 1142110031 is about 1045.2880415960.

Adding to 1142110031 its reverse (1300112411), we get a palindrome (2442222442).

The spelling of 1142110031 in words is "one billion, one hundred forty-two million, one hundred ten thousand, thirty-one".