13101111031 has 4 divisors (see below), whose sum is σ = 13101426864. Its totient is φ = 13100795200.

The previous prime is 13101111017. The next prime is 13101111041. The reversal of 13101111031 is 13011110131.

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 13101111031 - 2⁵ = 13101110999 is a prime.

It is a super-2 number, since 2×13101111031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13101111041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84235 + ... + 182476.

It is an arithmetic number, because the mean of its divisors is an integer number (3275356716).

Almost surely, 2^13101111031 is an apocalyptic number.

13101111031 is a deficient number, since it is larger than the sum of its proper divisors (315833).

13101111031 is an equidigital number, since it uses as much as digits as its factorization.

13101111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315832.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 13101111031 its reverse (13011110131), we get a palindrome (26112221162).

The spelling of 13101111031 in words is "thirteen billion, one hundred one million, one hundred eleven thousand, thirty-one".