1000031231012 has 24 divisors (see below), whose sum is σ = 1909728115680. Its totient is φ = 454422130560.

The previous prime is 1000031231011. The next prime is 1000031231041. The reversal of 1000031231012 is 2101321300001.

It is a super-2 number, since 2×1000031231012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000031231011) 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 7 ways as a sum of consecutive naturals, for example, 3290837 + ... + 3581852.

It is an arithmetic number, because the mean of its divisors is an integer number (79572004820).

Almost surely, 2^{1000031231012} is an apocalyptic number.

It is an amenable number.

1000031231012 is a deficient number, since it is larger than the sum of its proper divisors (909696884668).

1000031231012 is a wasteful number, since it uses less digits than its factorization.

1000031231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876011 (or 6876009 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1000031231012 its reverse (2101321300001), we get a palindrome (3101352531013).

The spelling of 1000031231012 in words is "one trillion, thirty-one million, two hundred thirty-one thousand, twelve".