8531031212 has 48 divisors (see below), whose sum is σ = 16702568064. Its totient is φ = 3778896000.

The previous prime is 8531031127. The next prime is 8531031221. The reversal of 8531031212 is 2121301358.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2023787 + ... + 2027997.

It is an arithmetic number, because the mean of its divisors is an integer number (347970168).

Almost surely, 2^8531031212 is an apocalyptic number.

8531031212 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

8531031212 is a deficient number, since it is larger than the sum of its proper divisors (8171536852).

8531031212 is a wasteful number, since it uses less digits than its factorization.

8531031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390 (or 5388 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 8531031212 is about 92363.5816325894. The cubic root of 8531031212 is about 2043.3080388871.

The spelling of 8531031212 in words is "eight billion, five hundred thirty-one million, thirty-one thousand, two hundred twelve".