494100031 has 2 divisors, whose sum is σ = 494100032. Its totient is φ = 494100030.

The previous prime is 494100029. The next prime is 494100067. The reversal of 494100031 is 130001494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494100031 - 2¹ = 494100029 is a prime.

It is a super-2 number, since 2×494100031² = 488269681268401922, which contains 22 as substring.

Together with 494100029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 494099975 and 494100011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494100931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247050015 + 247050016.

It is an arithmetic number, because the mean of its divisors is an integer number (247050016).

Almost surely, 2^494100031 is an apocalyptic number.

494100031 is a deficient number, since it is larger than the sum of its proper divisors (1).

494100031 is an equidigital number, since it uses as much as digits as its factorization.

494100031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 494100031 is about 22228.3609607186. The cubic root of 494100031 is about 790.5662932157.

The spelling of 494100031 in words is "four hundred ninety-four million, one hundred thousand, thirty-one".