94217131 has 4 divisors (see below), whose sum is σ = 98313552. Its totient is φ = 90120712.

The previous prime is 94217129. The next prime is 94217141. The reversal of 94217131 is 13171249.

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 94217131 - 2¹ = 94217129 is a prime.

It is a super-2 number, since 2×94217131² = 17753735547742322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94217131.

It is not an unprimeable number, because it can be changed into a prime (94217141) 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, 2048176 + ... + 2048221.

It is an arithmetic number, because the mean of its divisors is an integer number (24578388).

Almost surely, 2^94217131 is an apocalyptic number.

94217131 is a deficient number, since it is larger than the sum of its proper divisors (4096421).

94217131 is a wasteful number, since it uses less digits than its factorization.

94217131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096420.

The product of its digits is 1512, while the sum is 28.

The square root of 94217131 is about 9706.5509322313. The cubic root of 94217131 is about 455.0334170200.

The spelling of 94217131 in words is "ninety-four million, two hundred seventeen thousand, one hundred thirty-one".