2013315481 has 2 divisors, whose sum is σ = 2013315482. Its totient is φ = 2013315480.

The previous prime is 2013315467. The next prime is 2013315509. The reversal of 2013315481 is 1845133102.

It is a happy number.

It is an a-pointer prime, because the next prime (2013315509) can be obtained adding 2013315481 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1558986256 + 454329225 = 39484^2 + 21315^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013315481 - 2²¹ = 2011218329 is a prime.

It is a super-2 number, since 2×2013315481² = 8106878452068522722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2013315581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006657740 + 1006657741.

It is an arithmetic number, because the mean of its divisors is an integer number (1006657741).

Almost surely, 2^2013315481 is an apocalyptic number.

It is an amenable number.

2013315481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013315481 is an equidigital number, since it uses as much as digits as its factorization.

2013315481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2013315481 is about 44869.9841876504. The cubic root of 2013315481 is about 1262.7109433627.

Adding to 2013315481 its reverse (1845133102), we get a palindrome (3858448583).

The spelling of 2013315481 in words is "two billion, thirteen million, three hundred fifteen thousand, four hundred eighty-one".