316161043572031 has 4 divisors (see below), whose sum is σ = 361326906939472. Its totient is φ = 270995180204592.

The previous prime is 316161043571969. The next prime is 316161043572047. The reversal of 316161043572031 is 130275340161613.

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

It is a cyclic number.

It is not a de Polignac number, because 316161043572031 - 2¹⁷ = 316161043440959 is a prime.

It is a super-2 number, since 2×316161043572031² (a number of 30 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 (316161043572931) 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, 22582931683710 + ... + 22582931683723.

It is an arithmetic number, because the mean of its divisors is an integer number (90331726734868).

Almost surely, 2^{316161043572031} is an apocalyptic number.

316161043572031 is a deficient number, since it is larger than the sum of its proper divisors (45165863367441).

316161043572031 is an equidigital number, since it uses as much as digits as its factorization.

316161043572031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45165863367440.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 316161043572031 in words is "three hundred sixteen trillion, one hundred sixty-one billion, forty-three million, five hundred seventy-two thousand, thirty-one".