1320131113321 has 16 divisors (see below), whose sum is σ = 1410183492480. Its totient is φ = 1233097873920.

The previous prime is 1320131113277. The next prime is 1320131113337. The reversal of 1320131113321 is 1233111310231.

It is not a de Polignac number, because 1320131113321 - 2²¹ = 1320129016169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320131113292 and 1320131113301.

It is not an unprimeable number, because it can be changed into a prime (1320131113121) 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, 3189640 + ... + 3579673.

It is an arithmetic number, because the mean of its divisors is an integer number (88136468280).

Almost surely, 2^{1320131113321} is an apocalyptic number.

It is an amenable number.

1320131113321 is a deficient number, since it is larger than the sum of its proper divisors (90052379159).

1320131113321 is a wasteful number, since it uses less digits than its factorization.

1320131113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769536.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1320131113321 its reverse (1233111310231), we get a palindrome (2553242423552).

The spelling of 1320131113321 in words is "one trillion, three hundred twenty billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred twenty-one".