231994095 has 16 divisors (see below), whose sum is σ = 373079520. Its totient is φ = 123100544.

The previous prime is 231994093. The next prime is 231994097. The reversal of 231994095 is 590499132.

It is an interprime number because it is at equal distance from previous prime (231994093) and next prime (231994097).

It is a cyclic number.

It is not a de Polignac number, because 231994095 - 2¹ = 231994093 is a prime.

It is a super-2 number, since 2×231994095² = 107642520229738050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231994093) 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, 36300 + ... + 42209.

It is an arithmetic number, because the mean of its divisors is an integer number (23317470).

Almost surely, 2^231994095 is an apocalyptic number.

231994095 is a deficient number, since it is larger than the sum of its proper divisors (141085425).

231994095 is a wasteful number, since it uses less digits than its factorization.

231994095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78714.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 231994095 is about 15231.3523693729. The cubic root of 231994095 is about 614.4581518657.

The spelling of 231994095 in words is "two hundred thirty-one million, nine hundred ninety-four thousand, ninety-five".