76315331 has 4 divisors (see below), whose sum is σ = 77566464. Its totient is φ = 75064200.

The previous prime is 76315319. The next prime is 76315333. The reversal of 76315331 is 13351367.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13351367 = 139 ⋅96053.

It is a cyclic number.

It is not a de Polignac number, because 76315331 - 2¹⁴ = 76298947 is a prime.

It is a super-3 number, since 3×76315331³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76315294 and 76315303.

It is not an unprimeable number, because it can be changed into a prime (76315333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625475 + ... + 625596.

It is an arithmetic number, because the mean of its divisors is an integer number (19391616).

Almost surely, 2^76315331 is an apocalyptic number.

76315331 is a deficient number, since it is larger than the sum of its proper divisors (1251133).

76315331 is a wasteful number, since it uses less digits than its factorization.

76315331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251132.

The product of its digits is 5670, while the sum is 29.

The square root of 76315331 is about 8735.8646395191. The cubic root of 76315331 is about 424.1673774771.

Adding to 76315331 its reverse (13351367), we get a palindrome (89666698).

The spelling of 76315331 in words is "seventy-six million, three hundred fifteen thousand, three hundred thirty-one".