10644312002031 has 16 divisors (see below), whose sum is σ = 16195549794400. Its totient is φ = 6904418595264.

The previous prime is 10644312002003. The next prime is 10644312002033. The reversal of 10644312002031 is 13020021344601.

It is a happy number.

10644312002031 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 431 + 20 + 0 + 203 + 1 = 666.

It is not a de Polignac number, because 10644312002031 - 2⁷ = 10644312001903 is a prime.

It is a super-2 number, since 2×10644312002031² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10644312001986 and 10644312002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10644312002033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5327482486 + ... + 5327484483.

It is an arithmetic number, because the mean of its divisors is an integer number (1012221862150).

Almost surely, 2^{10644312002031} is an apocalyptic number.

10644312002031 is a deficient number, since it is larger than the sum of its proper divisors (5551237792369).

10644312002031 is a wasteful number, since it uses less digits than its factorization.

10644312002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10654967015 (or 10654967009 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 10644312002031 its reverse (13020021344601), we get a palindrome (23664333346632).

The spelling of 10644312002031 in words is "ten trillion, six hundred forty-four billion, three hundred twelve million, two thousand, thirty-one".