231032002 has 4 divisors (see below), whose sum is σ = 346548006. Its totient is φ = 115516000.

The previous prime is 231031973. The next prime is 231032017. The reversal of 231032002 is 200230132.

It is a happy number.

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., 224370441 + 6661561 = 14979^2 + 2581^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57757999 + ... + 57758002.

Almost surely, 2^231032002 is an apocalyptic number.

231032002 is a deficient number, since it is larger than the sum of its proper divisors (115516004).

231032002 is a wasteful number, since it uses less digits than its factorization.

231032002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115516003.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 231032002 is about 15199.7369056178. The cubic root of 231032002 is about 613.6075770921.

Adding to 231032002 its reverse (200230132), we get a palindrome (431262134).

The spelling of 231032002 in words is "two hundred thirty-one million, thirty-two thousand, two".