631161282 has 16 divisors (see below), whose sum is σ = 1264751712. Its totient is φ = 209982240.

The previous prime is 631161233. The next prime is 631161301. The reversal of 631161282 is 282161136.

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, 97828 + ... + 104079.

It is an arithmetic number, because the mean of its divisors is an integer number (79046982).

Almost surely, 2^631161282 is an apocalyptic number.

631161282 is an abundant number, since it is smaller than the sum of its proper divisors (633590430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631161282 is a wasteful number, since it uses less digits than its factorization.

631161282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202433.

The product of its digits is 3456, while the sum is 30.

The square root of 631161282 is about 25122.9234365748. The cubic root of 631161282 is about 857.7882965603.

The spelling of 631161282 in words is "six hundred thirty-one million, one hundred sixty-one thousand, two hundred eighty-two".