170401231 has 16 divisors (see below), whose sum is σ = 228791808. Its totient is φ = 122565600.

The previous prime is 170401229. The next prime is 170401237. The reversal of 170401231 is 132104071.

170401231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 170401231 - 2¹ = 170401229 is a prime.

It is a super-2 number, since 2×170401231² = 58073159052630722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 170401199 and 170401208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170401237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84115 + ... + 86116.

It is an arithmetic number, because the mean of its divisors is an integer number (14299488).

Almost surely, 2^170401231 is an apocalyptic number.

170401231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

170401231 is a deficient number, since it is larger than the sum of its proper divisors (58390577).

170401231 is a wasteful number, since it uses less digits than its factorization.

170401231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170262.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 170401231 is about 13053.7822488350. The cubic root of 170401231 is about 554.4013033746.

The spelling of 170401231 in words is "one hundred seventy million, four hundred one thousand, two hundred thirty-one".