31468161 has 16 divisors (see below), whose sum is σ = 45691200. Its totient is φ = 19188288.

The previous prime is 31468159. The next prime is 31468169. The reversal of 31468161 is 16186413.

It is not a de Polignac number, because 31468161 - 2¹ = 31468159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31468169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7866 + ... + 11171.

It is an arithmetic number, because the mean of its divisors is an integer number (2855700).

Almost surely, 2^31468161 is an apocalyptic number.

It is an amenable number.

31468161 is a deficient number, since it is larger than the sum of its proper divisors (14223039).

31468161 is a wasteful number, since it uses less digits than its factorization.

31468161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19088.

The product of its digits is 3456, while the sum is 30.

The square root of 31468161 is about 5609.6489194958. The cubic root of 31468161 is about 315.7115384181.

The spelling of 31468161 in words is "thirty-one million, four hundred sixty-eight thousand, one hundred sixty-one".