3205135131 has 8 divisors (see below), whose sum is σ = 4662014784. Its totient is φ = 1942506120.

The previous prime is 3205135121. The next prime is 3205135147. The reversal of 3205135131 is 1315315023.

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

It is not a de Polignac number, because 3205135131 - 2¹⁷ = 3205004059 is a prime.

It is a super-2 number, since 2×3205135131² = 20545782415940774322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3205135121) 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 7 ways as a sum of consecutive naturals, for example, 48562621 + ... + 48562686.

It is an arithmetic number, because the mean of its divisors is an integer number (582751848).

Almost surely, 2^3205135131 is an apocalyptic number.

3205135131 is a deficient number, since it is larger than the sum of its proper divisors (1456879653).

3205135131 is a wasteful number, since it uses less digits than its factorization.

3205135131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97125321.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 3205135131 is about 56613.9128748402. The cubic root of 3205135131 is about 1474.4004275377.

The spelling of 3205135131 in words is "three billion, two hundred five million, one hundred thirty-five thousand, one hundred thirty-one".