3217315131 has 48 divisors (see below), whose sum is σ = 4888228800. Its totient is φ = 2037000960.

The previous prime is 3217315117. The next prime is 3217315183. The reversal of 3217315131 is 1315137123.

It is a happy number.

3217315131 is a `hidden beast` number, since 3 + 217 + 315 + 131 = 666.

It is not a de Polignac number, because 3217315131 - 2³⁰ = 2143573307 is a prime.

It is a super-2 number, since 2×3217315131² = 20702233304323094322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3217315095 and 3217315104.

It is not an unprimeable number, because it can be changed into a prime (3217315531) 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 47 ways as a sum of consecutive naturals, for example, 3026106 + ... + 3027168.

It is an arithmetic number, because the mean of its divisors is an integer number (101838100).

Almost surely, 2^3217315131 is an apocalyptic number.

3217315131 is a deficient number, since it is larger than the sum of its proper divisors (1670913669).

3217315131 is a wasteful number, since it uses less digits than its factorization.

3217315131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316 (or 1313 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 3217315131 is about 56721.3816034130. The cubic root of 3217315131 is about 1476.2657152109.

The spelling of 3217315131 in words is "three billion, two hundred seventeen million, three hundred fifteen thousand, one hundred thirty-one".