1320513314433 has 32 divisors (see below), whose sum is σ = 1851694698240. Its totient is φ = 835853571840.

The previous prime is 1320513314423. The next prime is 1320513314489. The reversal of 1320513314433 is 3344133150231.

It is a happy number.

It is not a de Polignac number, because 1320513314433 - 2¹⁸ = 1320513052289 is a prime.

It is a super-2 number, since 2×1320513314433² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320513314394 and 1320513314403.

It is not an unprimeable number, because it can be changed into a prime (1320513314423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24294835 + ... + 24349127.

It is an arithmetic number, because the mean of its divisors is an integer number (57865459320).

Almost surely, 2^{1320513314433} is an apocalyptic number.

It is an amenable number.

1320513314433 is a deficient number, since it is larger than the sum of its proper divisors (531181383807).

1320513314433 is a wasteful number, since it uses less digits than its factorization.

1320513314433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58969.

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 1320513314433 its reverse (3344133150231), we get a palindrome (4664646464664).

The spelling of 1320513314433 in words is "one trillion, three hundred twenty billion, five hundred thirteen million, three hundred fourteen thousand, four hundred thirty-three".