1313313132011 has 4 divisors (see below), whose sum is σ = 1370413702992. Its totient is φ = 1256212561032.

The previous prime is 1313313132007. The next prime is 1313313132041. The reversal of 1313313132011 is 1102313133131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313313132011 - 2² = 1313313132007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 57100570957 = 1313313132011 / (1 + 3 + 1 + 3 + 3 + 1 + 3 + 1 + 3 + 2 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313313132041) 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, 28550285456 + ... + 28550285501.

It is an arithmetic number, because the mean of its divisors is an integer number (342603425748).

Almost surely, 2^{1313313132011} is an apocalyptic number.

1313313132011 is a deficient number, since it is larger than the sum of its proper divisors (57100570981).

1313313132011 is an equidigital number, since it uses as much as digits as its factorization.

1313313132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57100570980.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1313313132011 its reverse (1102313133131), we get a palindrome (2415626265142).

The spelling of 1313313132011 in words is "one trillion, three hundred thirteen billion, three hundred thirteen million, one hundred thirty-two thousand, eleven".