13046412331 has 4 divisors (see below), whose sum is σ = 13100547064. Its totient is φ = 12992277600.

The previous prime is 13046412329. The next prime is 13046412349. The reversal of 13046412331 is 13321464031.

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 13046412331 - 2¹ = 13046412329 is a prime.

It is a super-2 number, since 2×13046412331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13046412331.

It is not an unprimeable number, because it can be changed into a prime (13046412361) 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, 27067005 + ... + 27067486.

It is an arithmetic number, because the mean of its divisors is an integer number (3275136766).

Almost surely, 2^13046412331 is an apocalyptic number.

13046412331 is a deficient number, since it is larger than the sum of its proper divisors (54134733).

13046412331 is an equidigital number, since it uses as much as digits as its factorization.

13046412331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54134732.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 13046412331 its reverse (13321464031), we get a palindrome (26367876362).

The spelling of 13046412331 in words is "thirteen billion, forty-six million, four hundred twelve thousand, three hundred thirty-one".