3135661523 has 12 divisors (see below), whose sum is σ = 3386361528. Its totient is φ = 2901528000.

The previous prime is 3135661517. The next prime is 3135661559. The reversal of 3135661523 is 3251665313.

It is not a de Polignac number, because 3135661523 - 2¹⁰ = 3135660499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3135661513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85478 + ... + 116523.

It is an arithmetic number, because the mean of its divisors is an integer number (282196794).

Almost surely, 2^3135661523 is an apocalyptic number.

3135661523 is a deficient number, since it is larger than the sum of its proper divisors (250700005).

3135661523 is a wasteful number, since it uses less digits than its factorization.

3135661523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202082 (or 202063 counting only the distinct ones).

The product of its digits is 48600, while the sum is 35.

The square root of 3135661523 is about 55996.9778023779. The cubic root of 3135661523 is about 1463.6696209402.

The spelling of 3135661523 in words is "three billion, one hundred thirty-five million, six hundred sixty-one thousand, five hundred twenty-three".