316290146173 has 4 divisors (see below), whose sum is σ = 324838528540. Its totient is φ = 307741763808.

The previous prime is 316290146153. The next prime is 316290146177. The reversal of 316290146173 is 371641092613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 306591441849 + 9698704324 = 553707^2 + 98482^2 .

It is a cyclic number.

It is not a de Polignac number, because 316290146173 - 2⁵ = 316290146141 is a prime.

It is a super-2 number, since 2×316290146173² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316290146177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4274191128 + ... + 4274191201.

It is an arithmetic number, because the mean of its divisors is an integer number (81209632135).

Almost surely, 2^316290146173 is an apocalyptic number.

It is an amenable number.

316290146173 is a deficient number, since it is larger than the sum of its proper divisors (8548382367).

316290146173 is an equidigital number, since it uses as much as digits as its factorization.

316290146173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8548382366.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 316290146173 in words is "three hundred sixteen billion, two hundred ninety million, one hundred forty-six thousand, one hundred seventy-three".