1142111313 has 16 divisors (see below), whose sum is σ = 1933733760. Its totient is φ = 652634928.

The previous prime is 1142111309. The next prime is 1142111339. The reversal of 1142111313 is 3131112411.

It is a happy number.

It is not a de Polignac number, because 1142111313 - 2² = 1142111309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142111303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3021270 + ... + 3021647.

It is an arithmetic number, because the mean of its divisors is an integer number (120858360).

Almost surely, 2^1142111313 is an apocalyptic number.

It is an amenable number.

1142111313 is a deficient number, since it is larger than the sum of its proper divisors (791622447).

1142111313 is an equidigital number, since it uses as much as digits as its factorization.

1142111313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042933 (or 6042927 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1142111313 is about 33795.1374164982. The cubic root of 1142111313 is about 1045.2884327021.

Adding to 1142111313 its reverse (3131112411), we get a palindrome (4273223724).

The spelling of 1142111313 in words is "one billion, one hundred forty-two million, one hundred eleven thousand, three hundred thirteen".