1301123131321 has 16 divisors (see below), whose sum is σ = 1462178188800. Its totient is φ = 1148781205440.

The previous prime is 1301123131307. The next prime is 1301123131381. The reversal of 1301123131321 is 1231313211031.

It is a cyclic number.

It is not a de Polignac number, because 1301123131321 - 2¹⁵ = 1301123098553 is a prime.

It is a super-2 number, since 2×1301123131321² (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 = 1301123131292 and 1301123131301.

It is not an unprimeable number, because it can be changed into a prime (1301123131381) 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, 14387955 + ... + 14478103.

It is an arithmetic number, because the mean of its divisors is an integer number (91386136800).

Almost surely, 2^{1301123131321} is an apocalyptic number.

It is an amenable number.

1301123131321 is a deficient number, since it is larger than the sum of its proper divisors (161055057479).

1301123131321 is a wasteful number, since it uses less digits than its factorization.

1301123131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138456.

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

Adding to 1301123131321 its reverse (1231313211031), we get a palindrome (2532436342352).

The spelling of 1301123131321 in words is "one trillion, three hundred one billion, one hundred twenty-three million, one hundred thirty-one thousand, three hundred twenty-one".