494171031 has 32 divisors (see below), whose sum is σ = 716931072. Its totient is φ = 301862880.

The previous prime is 494171021. The next prime is 494171081. The reversal of 494171031 is 130171494.

It is not a de Polignac number, because 494171031 - 2⁶ = 494170967 is a prime.

It is a super-2 number, since 2×494171031² = 488410015759205922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 494171031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494171021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219196 + ... + 221438.

It is an arithmetic number, because the mean of its divisors is an integer number (22404096).

Almost surely, 2^494171031 is an apocalyptic number.

494171031 is a deficient number, since it is larger than the sum of its proper divisors (222760041).

494171031 is a wasteful number, since it uses less digits than its factorization.

494171031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 494171031 is about 22229.9579621735. The cubic root of 494171031 is about 790.6041583678.

The spelling of 494171031 in words is "four hundred ninety-four million, one hundred seventy-one thousand, thirty-one".