1001011031312 has 20 divisors (see below), whose sum is σ = 1942729479900. Its totient is φ = 499661488128.

The previous prime is 1001011031269. The next prime is 1001011031389. The reversal of 1001011031312 is 2131301101001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 368419864576 + 632591166736 = 606976^2 + 795356^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52741937 + ... + 52760912.

It is an arithmetic number, because the mean of its divisors is an integer number (97136473995).

Almost surely, 2^{1001011031312} is an apocalyptic number.

It is an amenable number.

1001011031312 is a deficient number, since it is larger than the sum of its proper divisors (941718448588).

1001011031312 is a wasteful number, since it uses less digits than its factorization.

1001011031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105503450 (or 105503444 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1001011031312 its reverse (2131301101001), we get a palindrome (3132312132313).

The spelling of 1001011031312 in words is "one trillion, one billion, eleven million, thirty-one thousand, three hundred twelve".