456971131 has 2 divisors, whose sum is σ = 456971132. Its totient is φ = 456971130.

The previous prime is 456971087. The next prime is 456971143. The reversal of 456971131 is 131179654.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456971131 is a prime.

It is a super-2 number, since 2×456971131² = 417645229134838322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (456971231) 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, 228485565 + 228485566.

It is an arithmetic number, because the mean of its divisors is an integer number (228485566).

Almost surely, 2^456971131 is an apocalyptic number.

456971131 is a deficient number, since it is larger than the sum of its proper divisors (1).

456971131 is an equidigital number, since it uses as much as digits as its factorization.

456971131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 37.

The square root of 456971131 is about 21376.8830983378. The cubic root of 456971131 is about 770.2462421531.

The spelling of 456971131 in words is "four hundred fifty-six million, nine hundred seventy-one thousand, one hundred thirty-one".