1013111111031 has 8 divisors (see below), whose sum is σ = 1350855318384. Its totient is φ = 675387155520.

The previous prime is 1013111111021. The next prime is 1013111111057. The reversal of 1013111111031 is 1301111113101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1013111111031 - 2¹⁵ = 1013111078263 is a prime.

It is a super-2 number, since 2×1013111111031² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1013111111031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013111111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4945846 + ... + 5146611.

It is an arithmetic number, because the mean of its divisors is an integer number (168856914798).

Almost surely, 2^{1013111111031} is an apocalyptic number.

1013111111031 is a deficient number, since it is larger than the sum of its proper divisors (337744207353).

1013111111031 is a wasteful number, since it uses less digits than its factorization.

1013111111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125921.

The product of its (nonzero) digits is 9, while the sum is 15.

Adding to 1013111111031 its reverse (1301111113101), we get a palindrome (2314222224132).

The spelling of 1013111111031 in words is "one trillion, thirteen billion, one hundred eleven million, one hundred eleven thousand, thirty-one".