13481812331 has 16 divisors (see below), whose sum is σ = 14955271968. Its totient is φ = 12074054400.

The previous prime is 13481812327. The next prime is 13481812361. The reversal of 13481812331 is 13321818431.

It is a cyclic number.

It is not a de Polignac number, because 13481812331 - 2² = 13481812327 is a prime.

It is a super-2 number, since 2×13481812331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13481812291 and 13481812300.

It is not an unprimeable number, because it can be changed into a prime (13481812361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26600 + ... + 166346.

It is an arithmetic number, because the mean of its divisors is an integer number (934704498).

Almost surely, 2^13481812331 is an apocalyptic number.

13481812331 is a deficient number, since it is larger than the sum of its proper divisors (1473459637).

13481812331 is a wasteful number, since it uses less digits than its factorization.

13481812331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139982.

The product of its digits is 13824, while the sum is 35.

The spelling of 13481812331 in words is "thirteen billion, four hundred eighty-one million, eight hundred twelve thousand, three hundred thirty-one".