1011340031005 has 4 divisors (see below), whose sum is σ = 1213608037212. Its totient is φ = 809072024800.

The previous prime is 1011340030997. The next prime is 1011340031069. The reversal of 1011340031005 is 5001300431101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 491656197124 + 519683833881 = 701182^2 + 720891^2 .

It is not a de Polignac number, because 1011340031005 - 2³ = 1011340030997 is a prime.

It is a super-2 number, since 2×1011340031005² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 101134003096 + ... + 101134003105.

It is an arithmetic number, because the mean of its divisors is an integer number (303402009303).

Almost surely, 2^{1011340031005} is an apocalyptic number.

It is an amenable number.

1011340031005 is a deficient number, since it is larger than the sum of its proper divisors (202268006207).

1011340031005 is an equidigital number, since it uses as much as digits as its factorization.

1011340031005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202268006206.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 1011340031005 its reverse (5001300431101), we get a palindrome (6012640462106).

The spelling of 1011340031005 in words is "one trillion, eleven billion, three hundred forty million, thirty-one thousand, five".