1031130112312 has 8 divisors (see below), whose sum is σ = 1933368960600. Its totient is φ = 515565056152.

The previous prime is 1031130112289. The next prime is 1031130112319. The reversal of 1031130112312 is 2132110311301.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1031130112312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031130112319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64445632012 + ... + 64445632027.

It is an arithmetic number, because the mean of its divisors is an integer number (241671120075).

Almost surely, 2^{1031130112312} is an apocalyptic number.

It is an amenable number.

1031130112312 is a deficient number, since it is larger than the sum of its proper divisors (902238848288).

1031130112312 is a wasteful number, since it uses less digits than its factorization.

1031130112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128891264045 (or 128891264041 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1031130112312 its reverse (2132110311301), we get a palindrome (3163240423613).

The spelling of 1031130112312 in words is "one trillion, thirty-one billion, one hundred thirty million, one hundred twelve thousand, three hundred twelve".