1031101312011 has 16 divisors (see below), whose sum is σ = 1394202126720. Its totient is φ = 677708354880.

The previous prime is 1031101311983. The next prime is 1031101312027. The reversal of 1031101312011 is 1102131011301.

It is not a de Polignac number, because 1031101312011 - 2⁵ = 1031101311979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031101312051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418825 + ... + 1495866.

It is an arithmetic number, because the mean of its divisors is an integer number (87137632920).

Almost surely, 2^{1031101312011} is an apocalyptic number.

1031101312011 is a deficient number, since it is larger than the sum of its proper divisors (363100814709).

1031101312011 is a wasteful number, since it uses less digits than its factorization.

1031101312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917226.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1031101312011 its reverse (1102131011301), we get a palindrome (2133232323312).

The spelling of 1031101312011 in words is "one trillion, thirty-one billion, one hundred one million, three hundred twelve thousand, eleven".