813232101 has 8 divisors (see below), whose sum is σ = 1182883104. Its totient is φ = 492867920.

The previous prime is 813232099. The next prime is 813232127. The reversal of 813232101 is 101232318.

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 813232101 - 2¹ = 813232099 is a prime.

It is a super-2 number, since 2×813232101² = 1322692900193748402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813232141) 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, 12321666 + ... + 12321731.

It is an arithmetic number, because the mean of its divisors is an integer number (147860388).

Almost surely, 2^813232101 is an apocalyptic number.

It is an amenable number.

813232101 is a deficient number, since it is larger than the sum of its proper divisors (369651003).

813232101 is a wasteful number, since it uses less digits than its factorization.

813232101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24643411.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 813232101 is about 28517.2246370505. The cubic root of 813232101 is about 933.4079691873.

Adding to 813232101 its reverse (101232318), we get a palindrome (914464419).

The spelling of 813232101 in words is "eight hundred thirteen million, two hundred thirty-two thousand, one hundred one".