231240002 has 8 divisors (see below), whose sum is σ = 396411456. Its totient is φ = 99102852.

The previous prime is 231239993. The next prime is 231240017. The reversal of 231240002 is 200042132.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 16517143 = 231240002 / (2 + 3 + 1 + 2 + 4 + 0 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8258558 + ... + 8258585.

It is an arithmetic number, because the mean of its divisors is an integer number (49551432).

Almost surely, 2^231240002 is an apocalyptic number.

231240002 is a deficient number, since it is larger than the sum of its proper divisors (165171454).

231240002 is a wasteful number, since it uses less digits than its factorization.

231240002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16517152.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 231240002 is about 15206.5775899773. The cubic root of 231240002 is about 613.7916671631.

Adding to 231240002 its reverse (200042132), we get a palindrome (431282134).

The spelling of 231240002 in words is "two hundred thirty-one million, two hundred forty thousand, two".