1113403211031 has 4 divisors (see below), whose sum is σ = 1484537614712. Its totient is φ = 742268807352.

The previous prime is 1113403210979. The next prime is 1113403211047. The reversal of 1113403211031 is 1301123043111.

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

It is not a de Polignac number, because 1113403211031 - 2⁷ = 1113403210903 is a prime.

It is a super-2 number, since 2×1113403211031² (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 = 1113403210989 and 1113403211007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113403281031) 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, 185567201836 + ... + 185567201841.

It is an arithmetic number, because the mean of its divisors is an integer number (371134403678).

Almost surely, 2^{1113403211031} is an apocalyptic number.

1113403211031 is a deficient number, since it is larger than the sum of its proper divisors (371134403681).

1113403211031 is an equidigital number, since it uses as much as digits as its factorization.

1113403211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371134403680.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1113403211031 its reverse (1301123043111), we get a palindrome (2414526254142).

The spelling of 1113403211031 in words is "one trillion, one hundred thirteen billion, four hundred three million, two hundred eleven thousand, thirty-one".