10031331012 has 24 divisors (see below), whose sum is σ = 23452986816. Its totient is φ = 3337127328.

The previous prime is 10031331007. The next prime is 10031331019. The reversal of 10031331012 is 21013313001.

It is a junction number, because it is equal to n+sod(n) for n = 10031330982 and 10031331000.

It is not an unprimeable number, because it can be changed into a prime (10031331019) 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 7 ways as a sum of consecutive naturals, for example, 824923 + ... + 836994.

It is an arithmetic number, because the mean of its divisors is an integer number (977207784).

Almost surely, 2^10031331012 is an apocalyptic number.

10031331012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10031331012 is an abundant number, since it is smaller than the sum of its proper divisors (13421655804).

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

10031331012 is a wasteful number, since it uses less digits than its factorization.

10031331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662427 (or 1662425 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 10031331012 its reverse (21013313001), we get a palindrome (31044644013).

The spelling of 10031331012 in words is "ten billion, thirty-one million, three hundred thirty-one thousand, twelve".