1031133111113 has 64 divisors (see below), whose sum is σ = 1304548540416. Its totient is φ = 794731392000.

The previous prime is 1031133111109. The next prime is 1031133111139. The reversal of 1031133111113 is 3111113311301.

It is a happy number.

It is not a de Polignac number, because 1031133111113 - 2² = 1031133111109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031133111163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95196608 + ... + 95207438.

It is an arithmetic number, because the mean of its divisors is an integer number (20383570944).

Almost surely, 2^{1031133111113} is an apocalyptic number.

It is an amenable number.

1031133111113 is a deficient number, since it is larger than the sum of its proper divisors (273415429303).

1031133111113 is a wasteful number, since it uses less digits than its factorization.

1031133111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11214.

The product of its (nonzero) digits is 81, while the sum is 20.

Adding to 1031133111113 its reverse (3111113311301), we get a palindrome (4142246422414).

The spelling of 1031133111113 in words is "one trillion, thirty-one billion, one hundred thirty-three million, one hundred eleven thousand, one hundred thirteen".