231042270 has 16 divisors (see below), whose sum is σ = 554501520. Its totient is φ = 61611264.

The previous prime is 231042269. The next prime is 231042277. The reversal of 231042270 is 72240132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231042277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3850675 + ... + 3850734.

It is an arithmetic number, because the mean of its divisors is an integer number (34656345).

Almost surely, 2^231042270 is an apocalyptic number.

231042270 is an abundant number, since it is smaller than the sum of its proper divisors (323459250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231042270 is a wasteful number, since it uses less digits than its factorization.

231042270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701419.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 231042270 is about 15200.0746708692. The cubic root of 231042270 is about 613.6166673613.

The spelling of 231042270 in words is "two hundred thirty-one million, forty-two thousand, two hundred seventy".