161014031 has 4 divisors (see below), whose sum is σ = 166208064. Its totient is φ = 155820000.

The previous prime is 161014001. The next prime is 161014033. The reversal of 161014031 is 130410161.

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 161014031 - 2⁶ = 161013967 is a prime.

It is a super-2 number, since 2×161014031² = 51851036357737922, which 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 (161014033) 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, 2596970 + ... + 2597031.

It is an arithmetic number, because the mean of its divisors is an integer number (41552016).

Almost surely, 2^161014031 is an apocalyptic number.

161014031 is a deficient number, since it is larger than the sum of its proper divisors (5194033).

161014031 is an equidigital number, since it uses as much as digits as its factorization.

161014031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194032.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 161014031 is about 12689.1304272594. The cubic root of 161014031 is about 544.0279854674.

Adding to 161014031 its reverse (130410161), we get a palindrome (291424192).

The spelling of 161014031 in words is "one hundred sixty-one million, fourteen thousand, thirty-one".