457000031 has 2 divisors, whose sum is σ = 457000032. Its totient is φ = 457000030.

The previous prime is 457000021. The next prime is 457000057. The reversal of 457000031 is 130000754.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457000031 is a prime.

It is a super-2 number, since 2×457000031² = 417698056668001922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 456999967 and 457000012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457000021) 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, 228500015 + 228500016.

It is an arithmetic number, because the mean of its divisors is an integer number (228500016).

Almost surely, 2^457000031 is an apocalyptic number.

457000031 is a deficient number, since it is larger than the sum of its proper divisors (1).

457000031 is an equidigital number, since it uses as much as digits as its factorization.

457000031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 457000031 is about 21377.5590514914. The cubic root of 457000031 is about 770.2624792453.

Adding to 457000031 its reverse (130000754), we get a palindrome (587000785).

The spelling of 457000031 in words is "four hundred fifty-seven million, thirty-one", and thus it is an aban number.