1311334424401 has 4 divisors (see below), whose sum is σ = 1311380706304. Its totient is φ = 1311288142500.

The previous prime is 1311334424399. The next prime is 1311334424423. The reversal of 1311334424401 is 1044244331131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1311334424401 - 2¹ = 1311334424399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311331424401) 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, 23098425 + ... + 23155126.

It is an arithmetic number, because the mean of its divisors is an integer number (327845176576).

Almost surely, 2^{1311334424401} is an apocalyptic number.

It is an amenable number.

1311334424401 is a deficient number, since it is larger than the sum of its proper divisors (46281903).

1311334424401 is an equidigital number, since it uses as much as digits as its factorization.

1311334424401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46281902.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 1311334424401 its reverse (1044244331131), we get a palindrome (2355578755532).

The spelling of 1311334424401 in words is "one trillion, three hundred eleven billion, three hundred thirty-four million, four hundred twenty-four thousand, four hundred one".