13024731061 has 4 divisors (see below), whose sum is σ = 13026812332. Its totient is φ = 13022649792.

The previous prime is 13024731043. The next prime is 13024731073. The reversal of 13024731061 is 16013742031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16013742031 = 7 ⋅2287677433.

It can be written as a sum of positive squares in 2 ways, for example, as 8555140036 + 4469591025 = 92494^2 + 66855^2 .

It is a cyclic number.

It is not a de Polignac number, because 13024731061 - 2²⁷ = 12890513333 is a prime.

It is a super-2 number, since 2×13024731061² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13024701061) 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, 1031220 + ... + 1043773.

It is an arithmetic number, because the mean of its divisors is an integer number (3256703083).

Almost surely, 2^13024731061 is an apocalyptic number.

It is an amenable number.

13024731061 is a deficient number, since it is larger than the sum of its proper divisors (2081271).

13024731061 is an equidigital number, since it uses as much as digits as its factorization.

13024731061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081270.

The product of its (nonzero) digits is 3024, while the sum is 28.

The spelling of 13024731061 in words is "thirteen billion, twenty-four million, seven hundred thirty-one thousand, sixty-one".