1031310203112 has 96 divisors (see below), whose sum is σ = 3193281823680. Its totient is φ = 294555640320.

The previous prime is 1031310203059. The next prime is 1031310203137. The reversal of 1031310203112 is 2113020131301.

1031310203112 is a `hidden beast` number, since 10 + 31 + 310 + 2 + 0 + 311 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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, 1066687 + ... + 1788977.

It is an arithmetic number, because the mean of its divisors is an integer number (33263352330).

Almost surely, 2^{1031310203112} is an apocalyptic number.

1031310203112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031310203112 is an abundant number, since it is smaller than the sum of its proper divisors (2161971620568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031310203112 is a wasteful number, since it uses less digits than its factorization.

1031310203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725143 (or 725136 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1031310203112 its reverse (2113020131301), we get a palindrome (3144330334413).

The spelling of 1031310203112 in words is "one trillion, thirty-one billion, three hundred ten million, two hundred three thousand, one hundred twelve".