170450131 has 2 divisors, whose sum is σ = 170450132. Its totient is φ = 170450130.

The previous prime is 170450117. The next prime is 170450149. The reversal of 170450131 is 131054071.

170450131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 170450131 - 2⁵ = 170450099 is a prime.

It is a super-3 number, since 3×170450131³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (170450191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85225065 + 85225066.

It is an arithmetic number, because the mean of its divisors is an integer number (85225066).

Almost surely, 2^170450131 is an apocalyptic number.

170450131 is a deficient number, since it is larger than the sum of its proper divisors (1).

170450131 is an equidigital number, since it uses as much as digits as its factorization.

170450131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 170450131 is about 13055.6551348448. The cubic root of 170450131 is about 554.4543304385.

The spelling of 170450131 in words is "one hundred seventy million, four hundred fifty thousand, one hundred thirty-one".