316405132 has 6 divisors (see below), whose sum is σ = 553708988. Its totient is φ = 158202564.

The previous prime is 316405123. The next prime is 316405153. The reversal of 316405132 is 231504613.

It is a super-3 number, since 3×316405132³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 316405097 and 316405106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39550638 + ... + 39550645.

Almost surely, 2^316405132 is an apocalyptic number.

It is an amenable number.

316405132 is a deficient number, since it is larger than the sum of its proper divisors (237303856).

316405132 is a wasteful number, since it uses less digits than its factorization.

316405132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79101287 (or 79101285 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 316405132 is about 17787.7804124067. The cubic root of 316405132 is about 681.4194197271.

Adding to 316405132 its reverse (231504613), we get a palindrome (547909745).

The spelling of 316405132 in words is "three hundred sixteen million, four hundred five thousand, one hundred thirty-two".