801217431 has 24 divisors (see below), whose sum is σ = 1327347840. Its totient is φ = 456210576.

The previous prime is 801217421. The next prime is 801217453. The reversal of 801217431 is 134712108.

It is not a de Polignac number, because 801217431 - 2⁷ = 801217303 is a prime.

It is a super-2 number, since 2×801217431² = 1283898743476479522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 801217395 and 801217404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801217421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4641 + ... + 40298.

It is an arithmetic number, because the mean of its divisors is an integer number (55306160).

Almost surely, 2^801217431 is an apocalyptic number.

801217431 is a deficient number, since it is larger than the sum of its proper divisors (526130409).

801217431 is a wasteful number, since it uses less digits than its factorization.

801217431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45235 (or 45232 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 801217431 is about 28305.7844088448. The cubic root of 801217431 is about 928.7884292315.

Adding to 801217431 its reverse (134712108), we get a palindrome (935929539).

The spelling of 801217431 in words is "eight hundred one million, two hundred seventeen thousand, four hundred thirty-one".