493100831 has 2 divisors, whose sum is σ = 493100832. Its totient is φ = 493100830.

The previous prime is 493100821. The next prime is 493100869. The reversal of 493100831 is 138001394.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493100831 is a prime.

It is a super-2 number, since 2×493100831² = 486296859065781122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 493100794 and 493100803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493100821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246550415 + 246550416.

It is an arithmetic number, because the mean of its divisors is an integer number (246550416).

Almost surely, 2^493100831 is an apocalyptic number.

493100831 is a deficient number, since it is larger than the sum of its proper divisors (1).

493100831 is an equidigital number, since it uses as much as digits as its factorization.

493100831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 493100831 is about 22205.8737950120. The cubic root of 493100831 is about 790.0330227076.

The spelling of 493100831 in words is "four hundred ninety-three million, one hundred thousand, eight hundred thirty-one".