1031130313018 has 48 divisors (see below), whose sum is σ = 1680445176480. Its totient is φ = 471706644384.

The previous prime is 1031130313009. The next prime is 1031130313019. The reversal of 1031130313018 is 8103130311301.

It is a junction number, because it is equal to n+sod(n) for n = 1031130312983 and 1031130313001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031130313019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1603623805 + ... + 1603624447.

It is an arithmetic number, because the mean of its divisors is an integer number (35009274510).

Almost surely, 2^{1031130313018} is an apocalyptic number.

1031130313018 is a deficient number, since it is larger than the sum of its proper divisors (649314863462).

1031130313018 is an equidigital number, since it uses as much as digits as its factorization.

1031130313018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 1031130313018 its reverse (8103130311301), we get a palindrome (9134260624319).

The spelling of 1031130313018 in words is "one trillion, thirty-one billion, one hundred thirty million, three hundred thirteen thousand, eighteen".