170311242 has 16 divisors (see below), whose sum is σ = 344135232. Its totient is φ = 56184960.

The previous prime is 170311223. The next prime is 170311243. The reversal of 170311242 is 242113071.

170311242 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 not an unprimeable number, because it can be changed into a prime (170311243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145734 + ... + 146897.

It is an arithmetic number, because the mean of its divisors is an integer number (21508452).

Almost surely, 2^170311242 is an apocalyptic number.

170311242 is an abundant number, since it is smaller than the sum of its proper divisors (173823990).

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

170311242 is a wasteful number, since it uses less digits than its factorization.

170311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292733.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 170311242 is about 13050.3349382305. The cubic root of 170311242 is about 554.3036929613.

The spelling of 170311242 in words is "one hundred seventy million, three hundred eleven thousand, two hundred forty-two".