1113421031031 has 16 divisors (see below), whose sum is σ = 1488011995008. Its totient is φ = 740556247200.

The previous prime is 1113421031027. The next prime is 1113421031071. The reversal of 1113421031031 is 1301301243111.

It is not a de Polignac number, because 1113421031031 - 2² = 1113421031027 is a prime.

It is a super-2 number, since 2×1113421031031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1113421030989 and 1113421031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113421031071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5109160 + ... + 5322626.

It is an arithmetic number, because the mean of its divisors is an integer number (93000749688).

Almost surely, 2^{1113421031031} is an apocalyptic number.

1113421031031 is a deficient number, since it is larger than the sum of its proper divisors (374590963977).

1113421031031 is a wasteful number, since it uses less digits than its factorization.

1113421031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217502.

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

Adding to 1113421031031 its reverse (1301301243111), we get a palindrome (2414722274142).

The spelling of 1113421031031 in words is "one trillion, one hundred thirteen billion, four hundred twenty-one million, thirty-one thousand, thirty-one".