1111352131 has 2 divisors, whose sum is σ = 1111352132. Its totient is φ = 1111352130.

The previous prime is 1111352129. The next prime is 1111352159. The reversal of 1111352131 is 1312531111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111352131 - 2¹ = 1111352129 is a prime.

It is a super-2 number, since 2×1111352131² = 2470207118156482322, which contains 22 as substring.

Together with 1111352129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1111352099 and 1111352108.

It is not a weakly prime, because it can be changed into another prime (1111356131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555676065 + 555676066.

It is an arithmetic number, because the mean of its divisors is an integer number (555676066).

Almost surely, 2^1111352131 is an apocalyptic number.

1111352131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111352131 is an equidigital number, since it uses as much as digits as its factorization.

1111352131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90, while the sum is 19.

The square root of 1111352131 is about 33336.9484356322. The cubic root of 1111352131 is about 1035.8190537202.

Adding to 1111352131 its reverse (1312531111), we get a palindrome (2423883242).

The spelling of 1111352131 in words is "one billion, one hundred eleven million, three hundred fifty-two thousand, one hundred thirty-one".