1320020310031 has 8 divisors (see below), whose sum is σ = 1340890452720. Its totient is φ = 1299268412352.

The previous prime is 1320020310029. The next prime is 1320020310143. The reversal of 1320020310031 is 1300130200231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320020310031 - 2¹ = 1320020310029 is a prime.

It is a super-2 number, since 2×1320020310031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320020309987 and 1320020310014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320020310331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29538750 + ... + 29583403.

It is an arithmetic number, because the mean of its divisors is an integer number (167611306590).

Almost surely, 2^{1320020310031} is an apocalyptic number.

1320020310031 is a deficient number, since it is larger than the sum of its proper divisors (20870142689).

1320020310031 is an equidigital number, since it uses as much as digits as its factorization.

1320020310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59122505.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1320020310031 its reverse (1300130200231), we get a palindrome (2620150510262).

The spelling of 1320020310031 in words is "one trillion, three hundred twenty billion, twenty million, three hundred ten thousand, thirty-one".