479128031 has 2 divisors, whose sum is σ = 479128032. Its totient is φ = 479128030.

The previous prime is 479128007. The next prime is 479128037. The reversal of 479128031 is 130821974.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479128031 is a prime.

It is a super-2 number, since 2×479128031² = 459127340179873922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 479127982 and 479128000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479128037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239564015 + 239564016.

It is an arithmetic number, because the mean of its divisors is an integer number (239564016).

Almost surely, 2^479128031 is an apocalyptic number.

479128031 is a deficient number, since it is larger than the sum of its proper divisors (1).

479128031 is an equidigital number, since it uses as much as digits as its factorization.

479128031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 479128031 is about 21888.9933756671. The cubic root of 479128031 is about 782.4991237354.

The spelling of 479128031 in words is "four hundred seventy-nine million, one hundred twenty-eight thousand, thirty-one".