13316463231 has 4 divisors (see below), whose sum is σ = 17755284312. Its totient is φ = 8877642152.

The previous prime is 13316463217. The next prime is 13316463257. The reversal of 13316463231 is 13236461331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13236461331 = 3 ⋅4412153777.

It is a cyclic number.

It is not a de Polignac number, because 13316463231 - 2¹³ = 13316455039 is a prime.

It is a super-2 number, since 2×13316463231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13316463192 and 13316463201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13316463211) 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, 2219410536 + ... + 2219410541.

It is an arithmetic number, because the mean of its divisors is an integer number (4438821078).

Almost surely, 2^13316463231 is an apocalyptic number.

13316463231 is a deficient number, since it is larger than the sum of its proper divisors (4438821081).

13316463231 is an equidigital number, since it uses as much as digits as its factorization.

13316463231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438821080.

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

The spelling of 13316463231 in words is "thirteen billion, three hundred sixteen million, four hundred sixty-three thousand, two hundred thirty-one".