802019231 has 16 divisors (see below), whose sum is σ = 871274880. Its totient is φ = 733877760.

The previous prime is 802019221. The next prime is 802019237. The reversal of 802019231 is 132910208.

It is a cyclic number.

It is not a de Polignac number, because 802019231 - 2⁶ = 802019167 is a prime.

It is a super-2 number, since 2×802019231² = 1286469693787662722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 802019231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802019237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909911 + ... + 910791.

It is an arithmetic number, because the mean of its divisors is an integer number (54454680).

Almost surely, 2^802019231 is an apocalyptic number.

802019231 is a deficient number, since it is larger than the sum of its proper divisors (69255649).

802019231 is a wasteful number, since it uses less digits than its factorization.

802019231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 802019231 is about 28319.9440500860. The cubic root of 802019231 is about 929.0981471920.

Adding to 802019231 its reverse (132910208), we get a palindrome (934929439).

The spelling of 802019231 in words is "eight hundred two million, nineteen thousand, two hundred thirty-one".