1031102111131 has 4 divisors (see below), whose sum is σ = 1042687528200. Its totient is φ = 1019516694064.

The previous prime is 1031102111111. The next prime is 1031102111191. The reversal of 1031102111131 is 1311112011301.

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

It is a cyclic number.

It is not a de Polignac number, because 1031102111131 - 2³¹ = 1028954627483 is a prime.

It is a super-2 number, since 2×1031102111131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031102111101) 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, 5792708401 + ... + 5792708578.

It is an arithmetic number, because the mean of its divisors is an integer number (260671882050).

Almost surely, 2^{1031102111131} is an apocalyptic number.

1031102111131 is a deficient number, since it is larger than the sum of its proper divisors (11585417069).

1031102111131 is an equidigital number, since it uses as much as digits as its factorization.

1031102111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11585417068.

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

Adding to 1031102111131 its reverse (1311112011301), we get a palindrome (2342214122432).

The spelling of 1031102111131 in words is "one trillion, thirty-one billion, one hundred two million, one hundred eleven thousand, one hundred thirty-one".