2013011331445 has 8 divisors (see below), whose sum is σ = 2415625201080. Its totient is φ = 1610401329600.

The previous prime is 2013011331427. The next prime is 2013011331449. The reversal of 2013011331445 is 5441331103102.

It can be written as a sum of positive squares in 4 ways, for example, as 80713946404 + 1932297385041 = 284102^2 + 1390071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2013011331445 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013011331449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338211 + ... + 2034799.

It is an arithmetic number, because the mean of its divisors is an integer number (301953150135).

Almost surely, 2^{2013011331445} is an apocalyptic number.

It is an amenable number.

2013011331445 is a deficient number, since it is larger than the sum of its proper divisors (402613869635).

2013011331445 is a wasteful number, since it uses less digits than its factorization.

2013011331445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933895.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 2013011331445 its reverse (5441331103102), we get a palindrome (7454342434547).

The spelling of 2013011331445 in words is "two trillion, thirteen billion, eleven million, three hundred thirty-one thousand, four hundred forty-five".