13103111323011 has 4 divisors (see below), whose sum is σ = 17470815097352. Its totient is φ = 8735407548672.

The previous prime is 13103111322953. The next prime is 13103111323087. The reversal of 13103111323011 is 11032311130131.

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

It is not a de Polignac number, because 13103111323011 - 2¹¹ = 13103111320963 is a prime.

It is a super-2 number, since 2×13103111323011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13103111323411) 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, 2183851887166 + ... + 2183851887171.

It is an arithmetic number, because the mean of its divisors is an integer number (4367703774338).

Almost surely, 2^{13103111323011} is an apocalyptic number.

13103111323011 is a deficient number, since it is larger than the sum of its proper divisors (4367703774341).

13103111323011 is an equidigital number, since it uses as much as digits as its factorization.

13103111323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367703774340.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 13103111323011 its reverse (11032311130131), we get a palindrome (24135422453142).

The spelling of 13103111323011 in words is "thirteen trillion, one hundred three billion, one hundred eleven million, three hundred twenty-three thousand, eleven".