1142302313 has 8 divisors (see below), whose sum is σ = 1147780800. Its totient is φ = 1136833488.

The previous prime is 1142302309. The next prime is 1142302319. The reversal of 1142302313 is 3132032411.

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 1142302313 - 2² = 1142302309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142302319) 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, 348878 + ... + 352136.

It is an arithmetic number, because the mean of its divisors is an integer number (143472600).

Almost surely, 2^1142302313 is an apocalyptic number.

It is an amenable number.

1142302313 is a deficient number, since it is larger than the sum of its proper divisors (5478487).

1142302313 is a wasteful number, since it uses less digits than its factorization.

1142302313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1142302313 is about 33797.9631486869. The cubic root of 1142302313 is about 1045.3466987573.

Adding to 1142302313 its reverse (3132032411), we get a palindrome (4274334724).

The spelling of 1142302313 in words is "one billion, one hundred forty-two million, three hundred two thousand, three hundred thirteen".