13166100513031 has 4 divisors (see below), whose sum is σ = 13166109892152. Its totient is φ = 13166091133912.

The previous prime is 13166100513023. The next prime is 13166100513067. The reversal of 13166100513031 is 13031500166131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13166100513031 - 2³ = 13166100513023 is a prime.

It is a super-2 number, since 2×13166100513031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13166100512984 and 13166100513002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13166100513011) 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, 2111476 + ... + 5548921.

It is an arithmetic number, because the mean of its divisors is an integer number (3291527473038).

Almost surely, 2^{13166100513031} is an apocalyptic number.

13166100513031 is a deficient number, since it is larger than the sum of its proper divisors (9379121).

13166100513031 is an equidigital number, since it uses as much as digits as its factorization.

13166100513031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9379120.

The product of its (nonzero) digits is 4860, while the sum is 31.

Adding to 13166100513031 its reverse (13031500166131), we get a palindrome (26197600679162).

The spelling of 13166100513031 in words is "thirteen trillion, one hundred sixty-six billion, one hundred million, five hundred thirteen thousand, thirty-one".