1124311131 has 16 divisors (see below), whose sum is σ = 1719377920. Its totient is φ = 725361480.

The previous prime is 1124311127. The next prime is 1124311141. The reversal of 1124311131 is 1311134211.

It is a happy number.

It is not a de Polignac number, because 1124311131 - 2² = 1124311127 is a prime.

It is a super-2 number, since 2×1124311131² = 2528151038580998322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1124311141) 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, 670795 + ... + 672468.

It is an arithmetic number, because the mean of its divisors is an integer number (107461120).

Almost surely, 2^1124311131 is an apocalyptic number.

1124311131 is a deficient number, since it is larger than the sum of its proper divisors (595066789).

1124311131 is a wasteful number, since it uses less digits than its factorization.

1124311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343303 (or 1343297 counting only the distinct ones).

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

The square root of 1124311131 is about 33530.7490372643. The cubic root of 1124311131 is about 1039.8295859212.

Adding to 1124311131 its reverse (1311134211), we get a palindrome (2435445342).

The spelling of 1124311131 in words is "one billion, one hundred twenty-four million, three hundred eleven thousand, one hundred thirty-one".