231770242 has 8 divisors (see below), whose sum is σ = 379260432. Its totient is φ = 105350100.

The previous prime is 231770237. The next prime is 231770263. The reversal of 231770242 is 242077132.

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

It is a self number, because there is not a number n which added to its sum of digits gives 231770242.

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, 5267484 + ... + 5267527.

It is an arithmetic number, because the mean of its divisors is an integer number (47407554).

Almost surely, 2^231770242 is an apocalyptic number.

231770242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231770242 is a deficient number, since it is larger than the sum of its proper divisors (147490190).

231770242 is a wasteful number, since it uses less digits than its factorization.

231770242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535024.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 231770242 is about 15224.0021676299. The cubic root of 231770242 is about 614.2604563670.

The spelling of 231770242 in words is "two hundred thirty-one million, seven hundred seventy thousand, two hundred forty-two".