1301321031023 has 16 divisors (see below), whose sum is σ = 1414071321600. Its totient is φ = 1190415679200.

The previous prime is 1301321031007. The next prime is 1301321031083. The reversal of 1301321031023 is 3201301231031.

It is a cyclic number.

It is not a de Polignac number, because 1301321031023 - 2⁴ = 1301321031007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301321030986 and 1301321031004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301321031083) 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, 31418 + ... + 1613576.

It is an arithmetic number, because the mean of its divisors is an integer number (88379457600).

Almost surely, 2^{1301321031023} is an apocalyptic number.

1301321031023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1301321031023 is a deficient number, since it is larger than the sum of its proper divisors (112750290577).

1301321031023 is a wasteful number, since it uses less digits than its factorization.

1301321031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582742.

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

Adding to 1301321031023 its reverse (3201301231031), we get a palindrome (4502622262054).

The spelling of 1301321031023 in words is "one trillion, three hundred one billion, three hundred twenty-one million, thirty-one thousand, twenty-three".