470821331 has 2 divisors, whose sum is σ = 470821332. Its totient is φ = 470821330.

The previous prime is 470821291. The next prime is 470821361. The reversal of 470821331 is 133128074.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 470821331 - 2¹⁴ = 470804947 is a prime.

It is a super-2 number, since 2×470821331² = 443345451449223122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 470821294 and 470821303.

It is not a weakly prime, because it can be changed into another prime (470821361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235410665 + 235410666.

It is an arithmetic number, because the mean of its divisors is an integer number (235410666).

Almost surely, 2^470821331 is an apocalyptic number.

470821331 is a deficient number, since it is larger than the sum of its proper divisors (1).

470821331 is an equidigital number, since it uses as much as digits as its factorization.

470821331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 470821331 is about 21698.4177072892. The cubic root of 470821331 is about 777.9506420755.

The spelling of 470821331 in words is "four hundred seventy million, eight hundred twenty-one thousand, three hundred thirty-one".