5513281331 has 2 divisors, whose sum is σ = 5513281332. Its totient is φ = 5513281330.

The previous prime is 5513281289. The next prime is 5513281343. The reversal of 5513281331 is 1331823155.

5513281331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5513281331 - 2¹⁰ = 5513280307 is a prime.

It is a super-2 number, since 2×5513281331² = 60792542069506263122, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5513281351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2756640665 + 2756640666.

It is an arithmetic number, because the mean of its divisors is an integer number (2756640666).

Almost surely, 2^5513281331 is an apocalyptic number.

5513281331 is a deficient number, since it is larger than the sum of its proper divisors (1).

5513281331 is an equidigital number, since it uses as much as digits as its factorization.

5513281331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 32.

The square root of 5513281331 is about 74251.4735948048. The cubic root of 5513281331 is about 1766.5938656643.

The spelling of 5513281331 in words is "five billion, five hundred thirteen million, two hundred eighty-one thousand, three hundred thirty-one".