1142340031 has 8 divisors (see below), whose sum is σ = 1307922560. Its totient is φ = 977355288.

The previous prime is 1142339999. The next prime is 1142340037. The reversal of 1142340031 is 1300432411.

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

It is not a de Polignac number, because 1142340031 - 2⁵ = 1142339999 is a prime.

It is a super-2 number, since 2×1142340031² = 2609881492850161922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142339990 and 1142340008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142340037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145341 + ... + 152998.

It is an arithmetic number, because the mean of its divisors is an integer number (163490320).

Almost surely, 2^1142340031 is an apocalyptic number.

1142340031 is a deficient number, since it is larger than the sum of its proper divisors (165582529).

1142340031 is an equidigital number, since it uses as much as digits as its factorization.

1142340031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298893.

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

The square root of 1142340031 is about 33798.5211362864. The cubic root of 1142340031 is about 1045.3582041624.

Adding to 1142340031 its reverse (1300432411), we get a palindrome (2442772442).

The spelling of 1142340031 in words is "one billion, one hundred forty-two million, three hundred forty thousand, thirty-one".