1016131013 has 4 divisors (see below), whose sum is σ = 1016374188. Its totient is φ = 1015887840.

The previous prime is 1016130991. The next prime is 1016131033. The reversal of 1016131013 is 3101316101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36566209 + 979564804 = 6047^2 + 31298^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016131013 - 2⁶ = 1016130949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1016130982 and 1016131000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016131033) 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, 115208 + ... + 123713.

It is an arithmetic number, because the mean of its divisors is an integer number (254093547).

Almost surely, 2^1016131013 is an apocalyptic number.

It is an amenable number.

1016131013 is a deficient number, since it is larger than the sum of its proper divisors (243175).

1016131013 is an equidigital number, since it uses as much as digits as its factorization.

1016131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243174.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1016131013 is about 31876.8099564558. The cubic root of 1016131013 is about 1005.3483485054.

Adding to 1016131013 its reverse (3101316101), we get a palindrome (4117447114).

The spelling of 1016131013 in words is "one billion, sixteen million, one hundred thirty-one thousand, thirteen".