1311422423533 has 8 divisors (see below), whose sum is σ = 1314235113336. Its totient is φ = 1308610867200.

The previous prime is 1311422423527. The next prime is 1311422423573. The reversal of 1311422423533 is 3353242241131.

It can be written as a sum of positive squares in 4 ways, for example, as 252000988009 + 1059421435524 = 501997^2 + 1029282^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311422423533 - 2⁵ = 1311422423501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311422423573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2053735 + ... + 2615467.

It is an arithmetic number, because the mean of its divisors is an integer number (164279389167).

Almost surely, 2^{1311422423533} is an apocalyptic number.

It is an amenable number.

1311422423533 is a deficient number, since it is larger than the sum of its proper divisors (2812689803).

1311422423533 is an equidigital number, since it uses as much as digits as its factorization.

1311422423533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566735.

The product of its digits is 51840, while the sum is 34.

Adding to 1311422423533 its reverse (3353242241131), we get a palindrome (4664664664664).

The spelling of 1311422423533 in words is "one trillion, three hundred eleven billion, four hundred twenty-two million, four hundred twenty-three thousand, five hundred thirty-three".