1142342313 has 8 divisors (see below), whose sum is σ = 1740712128. Its totient is φ = 652767024.

The previous prime is 1142342309. The next prime is 1142342321. The reversal of 1142342313 is 3132432411.

It is a happy number.

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

It is not a de Polignac number, because 1142342313 - 2² = 1142342309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142342413) 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, 27198606 + ... + 27198647.

It is an arithmetic number, because the mean of its divisors is an integer number (217589016).

Almost surely, 2^1142342313 is an apocalyptic number.

It is an amenable number.

1142342313 is a deficient number, since it is larger than the sum of its proper divisors (598369815).

1142342313 is an equidigital number, since it uses as much as digits as its factorization.

1142342313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54397263.

The product of its digits is 1728, while the sum is 24.

The square root of 1142342313 is about 33798.5548951431. The cubic root of 1142342313 is about 1045.3589002499.

Adding to 1142342313 its reverse (3132432411), we get a palindrome (4274774724).

The spelling of 1142342313 in words is "one billion, one hundred forty-two million, three hundred forty-two thousand, three hundred thirteen".