231330002 has 4 divisors (see below), whose sum is σ = 346995006. Its totient is φ = 115665000.

The previous prime is 231329983. The next prime is 231330007. The reversal of 231330002 is 200033132.

231330002 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135466321 + 95863681 = 11639^2 + 9791^2 .

It is not an unprimeable number, because it can be changed into a prime (231330007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57832499 + ... + 57832502.

Almost surely, 2^231330002 is an apocalyptic number.

231330002 is a deficient number, since it is larger than the sum of its proper divisors (115665004).

231330002 is a wasteful number, since it uses less digits than its factorization.

231330002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115665003.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 231330002 is about 15209.5365478373. The cubic root of 231330002 is about 613.8712873044.

Adding to 231330002 its reverse (200033132), we get a palindrome (431363134).

The spelling of 231330002 in words is "two hundred thirty-one million, three hundred thirty thousand, two".