800215031 has 12 divisors (see below), whose sum is σ = 1015486920. Its totient is φ = 623543760.

The previous prime is 800214991. The next prime is 800215043. The reversal of 800215031 is 130512008.

It is not a de Polignac number, because 800215031 - 2¹⁰ = 800214007 is a prime.

It is a super-2 number, since 2×800215031² = 1280688191676661922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 800214994 and 800215012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800215061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 741776 + ... + 742853.

It is an arithmetic number, because the mean of its divisors is an integer number (84623910).

Almost surely, 2^800215031 is an apocalyptic number.

800215031 is a deficient number, since it is larger than the sum of its proper divisors (215271889).

800215031 is a wasteful number, since it uses less digits than its factorization.

800215031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484654 (or 1484647 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 800215031 is about 28288.0722390198. The cubic root of 800215031 is about 928.4009330623.

Adding to 800215031 its reverse (130512008), we get a palindrome (930727039).

The spelling of 800215031 in words is "eight hundred million, two hundred fifteen thousand, thirty-one".