1113211042331 has 4 divisors (see below), whose sum is σ = 1113223946664. Its totient is φ = 1113198138000.

The previous prime is 1113211042327. The next prime is 1113211042357. The reversal of 1113211042331 is 1332401123111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1113211042331 - 2² = 1113211042327 is a prime.

It is a super-2 number, since 2×1113211042331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113211042297 and 1113211042306.

It is not an unprimeable number, because it can be changed into a prime (1113211042631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6321890 + ... + 6495591.

It is an arithmetic number, because the mean of its divisors is an integer number (278305986666).

Almost surely, 2^{1113211042331} is an apocalyptic number.

1113211042331 is a deficient number, since it is larger than the sum of its proper divisors (12904333).

1113211042331 is an equidigital number, since it uses as much as digits as its factorization.

1113211042331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12904332.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1113211042331 its reverse (1332401123111), we get a palindrome (2445612165442).

The spelling of 1113211042331 in words is "one trillion, one hundred thirteen billion, two hundred eleven million, forty-two thousand, three hundred thirty-one".