1122313131 has 16 divisors (see below), whose sum is σ = 1703241120. Its totient is φ = 729959040.

The previous prime is 1122313121. The next prime is 1122313139. The reversal of 1122313131 is 1313132211.

It is not a de Polignac number, because 1122313131 - 2⁶ = 1122313067 is a prime.

It is a super-2 number, since 2×1122313131² = 2519173528030046322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122313139) 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, 505810 + ... + 508023.

It is an arithmetic number, because the mean of its divisors is an integer number (106452570).

Almost surely, 2^1122313131 is an apocalyptic number.

1122313131 is a deficient number, since it is larger than the sum of its proper divisors (580927989).

1122313131 is a wasteful number, since it uses less digits than its factorization.

1122313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013883 (or 1013877 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1122313131 is about 33500.9422404803. The cubic root of 1122313131 is about 1039.2132644089.

Adding to 1122313131 its reverse (1313132211), we get a palindrome (2435445342).

The spelling of 1122313131 in words is "one billion, one hundred twenty-two million, three hundred thirteen thousand, one hundred thirty-one".