803212531 has 8 divisors (see below), whose sum is σ = 881298864. Its totient is φ = 725970720.

The previous prime is 803212493. The next prime is 803212541. The reversal of 803212531 is 135212308.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 803212531 - 2⁹ = 803212019 is a prime.

It is a super-2 number, since 2×803212531² = 1290300739910851922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 803212496 and 803212505.

It is not an unprimeable number, because it can be changed into a prime (803212541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209136 + ... + 212941.

It is an arithmetic number, because the mean of its divisors is an integer number (110162358).

Almost surely, 2^803212531 is an apocalyptic number.

803212531 is a deficient number, since it is larger than the sum of its proper divisors (78086333).

803212531 is a wasteful number, since it uses less digits than its factorization.

803212531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422261.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 803212531 is about 28341.0044105709. The cubic root of 803212531 is about 929.5587111315.

Adding to 803212531 its reverse (135212308), we get a palindrome (938424839).

The spelling of 803212531 in words is "eight hundred three million, two hundred twelve thousand, five hundred thirty-one".