1301311401320 has 32 divisors (see below), whose sum is σ = 3346229318400. Its totient is φ = 446163908928.

The previous prime is 1301311401287. The next prime is 1301311401367. The reversal of 1301311401320 is 231041131031.

It is a super-2 number, since 2×1301311401320² (a number of 25 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 = 1301311401292 and 1301311401301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2323770080 + ... + 2323770639.

It is an arithmetic number, because the mean of its divisors is an integer number (104569666200).

Almost surely, 2^{1301311401320} is an apocalyptic number.

1301311401320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301311401320 is an abundant number, since it is smaller than the sum of its proper divisors (2044917917080).

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

1301311401320 is a wasteful number, since it uses less digits than its factorization.

1301311401320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647540737 (or 4647540733 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1301311401320 its reverse (231041131031), we get a palindrome (1532352532351).

The spelling of 1301311401320 in words is "one trillion, three hundred one billion, three hundred eleven million, four hundred one thousand, three hundred twenty".