1232011113 has 4 divisors (see below), whose sum is σ = 1642681488. Its totient is φ = 821340740.

The previous prime is 1232011093. The next prime is 1232011117. The reversal of 1232011113 is 3111102321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1232011113 - 2⁶ = 1232011049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232011092 and 1232011101.

It is not an unprimeable number, because it can be changed into a prime (1232011117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205335183 + ... + 205335188.

It is an arithmetic number, because the mean of its divisors is an integer number (410670372).

Almost surely, 2^1232011113 is an apocalyptic number.

It is an amenable number.

1232011113 is a deficient number, since it is larger than the sum of its proper divisors (410670375).

1232011113 is an equidigital number, since it uses as much as digits as its factorization.

1232011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410670374.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1232011113 is about 35100.0158546973. The cubic root of 1232011113 is about 1072.0249054997.

Adding to 1232011113 its reverse (3111102321), we get a palindrome (4343113434).

The spelling of 1232011113 in words is "one billion, two hundred thirty-two million, eleven thousand, one hundred thirteen".