1311442130401 has 4 divisors (see below), whose sum is σ = 1412322294292. Its totient is φ = 1210561966512.

The previous prime is 1311442130387. The next prime is 1311442130489. The reversal of 1311442130401 is 1040312441131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 752833875600 + 558608254801 = 867660^2 + 747401^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311442130401 is a prime.

It is a super-2 number, since 2×1311442130401² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311442130101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50440081926 + ... + 50440081951.

It is an arithmetic number, because the mean of its divisors is an integer number (353080573573).

Almost surely, 2^{1311442130401} is an apocalyptic number.

It is an amenable number.

1311442130401 is a deficient number, since it is larger than the sum of its proper divisors (100880163891).

1311442130401 is a wasteful number, since it uses less digits than its factorization.

1311442130401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100880163890.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1311442130401 its reverse (1040312441131), we get a palindrome (2351754571532).

The spelling of 1311442130401 in words is "one trillion, three hundred eleven billion, four hundred forty-two million, one hundred thirty thousand, four hundred one".