10031212302320 has 80 divisors (see below), whose sum is σ = 25453601945568. Its totient is φ = 3646165201920.

The previous prime is 10031212302289. The next prime is 10031212302367. The reversal of 10031212302320 is 2320321213001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×10031212302320² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10031212302292 and 10031212302301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343979 + ... + 4492298.

Almost surely, 2^{10031212302320} is an apocalyptic number.

10031212302320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10031212302320 is an abundant number, since it is smaller than the sum of its proper divisors (15422389643248).

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

10031212302320 is a wasteful number, since it uses less digits than its factorization.

10031212302320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4838658 (or 4838652 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10031212302320 its reverse (2320321213001), we get a palindrome (12351533515321).

The spelling of 10031212302320 in words is "ten trillion, thirty-one billion, two hundred twelve million, three hundred two thousand, three hundred twenty".