316135183081 has 3 divisors (see below), whose sum is σ = 316135745341. Its totient is φ = 316134620822.

The previous prime is 316135183051. The next prime is 316135183087. The reversal of 316135183081 is 180381531613.

The square root of 316135183081 is 562259.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 316135183081 - 2⁷ = 316135182953 is a prime.

It is a super-2 number, since 2×316135183081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316135183087) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 281130 + ... + 843388.

Almost surely, 2^316135183081 is an apocalyptic number.

316135183081 is the 562259-th square number.

316135183081 is the 281130-th centered octagonal number.

It is an amenable number.

316135183081 is a deficient number, since it is larger than the sum of its proper divisors (562260).

316135183081 is an frugal number, since it uses more digits than its factorization.

316135183081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124518 (or 562259 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 316135183081 in words is "three hundred sixteen billion, one hundred thirty-five million, one hundred eighty-three thousand, eighty-one".