231150243430202 has 8 divisors (see below), whose sum is σ = 346725452812500. Its totient is φ = 115575092492704.

The previous prime is 231150243430177. The next prime is 231150243430307. The reversal of 231150243430202 is 202034342051132.

It can be written as a sum of positive squares in 2 ways, for example, as 205607236458121 + 25543006972081 = 14339011^2 + 5054009^2 .

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

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, 2820827 + ... + 21685422.

Almost surely, 2^{231150243430202} is an apocalyptic number.

231150243430202 is a deficient number, since it is larger than the sum of its proper divisors (115575209382298).

231150243430202 is a wasteful number, since it uses less digits than its factorization.

231150243430202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29222400.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 231150243430202 its reverse (202034342051132), we get a palindrome (433184585481334).

The spelling of 231150243430202 in words is "two hundred thirty-one trillion, one hundred fifty billion, two hundred forty-three million, four hundred thirty thousand, two hundred two".