163031012 has 6 divisors (see below), whose sum is σ = 285304278. Its totient is φ = 81515504.

The previous prime is 163030951. The next prime is 163031027. The reversal of 163031012 is 210130361.

It can be written as a sum of positive squares in only one way, i.e., 161137636 + 1893376 = 12694^2 + 1376^2 .

It is a super-2 number, since 2×163031012² = 53158221747488288, which contains 22 as substring.

It is an unprimeable number.

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, 20378873 + ... + 20378880.

It is an arithmetic number, because the mean of its divisors is an integer number (47550713).

Almost surely, 2^163031012 is an apocalyptic number.

It is an amenable number.

163031012 is a deficient number, since it is larger than the sum of its proper divisors (122273266).

163031012 is a wasteful number, since it uses less digits than its factorization.

163031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40757757 (or 40757755 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 163031012 is about 12768.3598006948. The cubic root of 163031012 is about 546.2901980343.

Adding to 163031012 its reverse (210130361), we get a palindrome (373161373).

The spelling of 163031012 in words is "one hundred sixty-three million, thirty-one thousand, twelve".