1031012111113 has 4 divisors (see below), whose sum is σ = 1031014284928. Its totient is φ = 1031009937300.

The previous prime is 1031012111111. The next prime is 1031012111117. The reversal of 1031012111113 is 3111112101301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1031012111113 - 2¹ = 1031012111111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031012111111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38181 + ... + 1436482.

It is an arithmetic number, because the mean of its divisors is an integer number (257753571232).

Almost surely, 2^{1031012111113} is an apocalyptic number.

It is an amenable number.

1031012111113 is a deficient number, since it is larger than the sum of its proper divisors (2173815).

1031012111113 is an equidigital number, since it uses as much as digits as its factorization.

1031012111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173814.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1031012111113 its reverse (3111112101301), we get a palindrome (4142124212414).

The spelling of 1031012111113 in words is "one trillion, thirty-one billion, twelve million, one hundred eleven thousand, one hundred thirteen".