1031103112131 has 40 divisors (see below), whose sum is σ = 1716731747280. Its totient is φ = 612915766272.

The previous prime is 1031103112087. The next prime is 1031103112147. The reversal of 1031103112131 is 1312113011301.

1031103112131 is a `hidden beast` number, since 10 + 311 + 0 + 311 + 2 + 1 + 31 = 666.

It is not a de Polignac number, because 1031103112131 - 2¹⁴ = 1031103095747 is a prime.

It is a super-2 number, since 2×1031103112131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1031103112331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19679206 + ... + 19731531.

It is an arithmetic number, because the mean of its divisors is an integer number (42918293682).

Almost surely, 2^{1031103112131} is an apocalyptic number.

1031103112131 is a deficient number, since it is larger than the sum of its proper divisors (685628635149).

1031103112131 is a wasteful number, since it uses less digits than its factorization.

1031103112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39410785 (or 39410776 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1031103112131 its reverse (1312113011301), we get a palindrome (2343216123432).

The spelling of 1031103112131 in words is "one trillion, thirty-one billion, one hundred three million, one hundred twelve thousand, one hundred thirty-one".