257271531322 has 16 divisors (see below), whose sum is σ = 416460119040. Its totient is φ = 118492808112.

The previous prime is 257271531301. The next prime is 257271531353. The reversal of 257271531322 is 223135172752.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10316418 + ... + 10341325.

It is an arithmetic number, because the mean of its divisors is an integer number (26028757440).

Almost surely, 2^257271531322 is an apocalyptic number.

257271531322 is a deficient number, since it is larger than the sum of its proper divisors (159188587718).

257271531322 is a wasteful number, since it uses less digits than its factorization.

257271531322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20658237.

The product of its digits is 176400, while the sum is 40.

The spelling of 257271531322 in words is "two hundred fifty-seven billion, two hundred seventy-one million, five hundred thirty-one thousand, three hundred twenty-two".