1320310013231 has 16 divisors (see below), whose sum is σ = 1458822089088. Its totient is φ = 1184901016800.

The previous prime is 1320310013213. The next prime is 1320310013251. The reversal of 1320310013231 is 1323100130231.

It is a cyclic number.

It is not a de Polignac number, because 1320310013231 - 2³⁰ = 1319236271407 is a prime.

It is a super-2 number, since 2×1320310013231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320310013251) 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, 618605 + ... + 1738761.

It is an arithmetic number, because the mean of its divisors is an integer number (91176380568).

Almost surely, 2^{1320310013231} is an apocalyptic number.

1320310013231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1320310013231 is a deficient number, since it is larger than the sum of its proper divisors (138512075857).

1320310013231 is a wasteful number, since it uses less digits than its factorization.

1320310013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121542.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1320310013231 its reverse (1323100130231), we get a palindrome (2643410143462).

The spelling of 1320310013231 in words is "one trillion, three hundred twenty billion, three hundred ten million, thirteen thousand, two hundred thirty-one".