231214994 has 8 divisors (see below), whose sum is σ = 367223868. Its totient is φ = 108807040.

The previous prime is 231214993. The next prime is 231215029. The reversal of 231214994 is 499412132.

It can be written as a sum of positive squares in 2 ways, for example, as 230644969 + 570025 = 15187^2 + 755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (231214993) 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, 3400187 + ... + 3400254.

Almost surely, 2^231214994 is an apocalyptic number.

231214994 is a deficient number, since it is larger than the sum of its proper divisors (136008874).

231214994 is a wasteful number, since it uses less digits than its factorization.

231214994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6800460.

The product of its digits is 15552, while the sum is 35.

The square root of 231214994 is about 15205.7552919939. The cubic root of 231214994 is about 613.7695397122.

The spelling of 231214994 in words is "two hundred thirty-one million, two hundred fourteen thousand, nine hundred ninety-four".