1111230131 has 8 divisors (see below), whose sum is σ = 1232798400. Its totient is φ = 993086440.

The previous prime is 1111230121. The next prime is 1111230137. The reversal of 1111230131 is 1310321111.

It is a happy number.

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 1111230131 - 2²² = 1107035827 is a prime.

It is a super-2 number, since 2×1111230131² = 2469664808084554322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111230137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855461 + ... + 856758.

It is an arithmetic number, because the mean of its divisors is an integer number (154099800).

Almost surely, 2^1111230131 is an apocalyptic number.

1111230131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111230131 is a deficient number, since it is larger than the sum of its proper divisors (121568269).

1111230131 is a wasteful number, since it uses less digits than its factorization.

1111230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712289.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1111230131 is about 33335.1185838599. The cubic root of 1111230131 is about 1035.7811495776.

Adding to 1111230131 its reverse (1310321111), we get a palindrome (2421551242).

The spelling of 1111230131 in words is "one billion, one hundred eleven million, two hundred thirty thousand, one hundred thirty-one".