13466331231 has 16 divisors (see below), whose sum is σ = 18187445760. Its totient is φ = 8861448960.

The previous prime is 13466331173. The next prime is 13466331251. The reversal of 13466331231 is 13213366431.

It is not a de Polignac number, because 13466331231 - 2⁷ = 13466331103 is a prime.

It is a super-2 number, since 2×13466331231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13466331192 and 13466331201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13466331251) 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 15 ways as a sum of consecutive naturals, for example, 1305711 + ... + 1315983.

It is an arithmetic number, because the mean of its divisors is an integer number (1136715360).

Almost surely, 2^13466331231 is an apocalyptic number.

13466331231 is a deficient number, since it is larger than the sum of its proper divisors (4721114529).

13466331231 is a wasteful number, since it uses less digits than its factorization.

13466331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15886.

The product of its digits is 23328, while the sum is 33.

Adding to 13466331231 its reverse (13213366431), we get a palindrome (26679697662).

The spelling of 13466331231 in words is "thirteen billion, four hundred sixty-six million, three hundred thirty-one thousand, two hundred thirty-one".