35231023221 has 8 divisors (see below), whose sum is σ = 47171245440. Its totient is φ = 23389074912.

The previous prime is 35231023213. The next prime is 35231023231. The reversal of 35231023221 is 12232013253.

It is a happy number.

35231023221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 35231023221 - 2³ = 35231023213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 35231023191 and 35231023200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35231023231) 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, 24567640 + ... + 24569073.

It is an arithmetic number, because the mean of its divisors is an integer number (5896405680).

Almost surely, 2^35231023221 is an apocalyptic number.

It is an amenable number.

35231023221 is a deficient number, since it is larger than the sum of its proper divisors (11940222219).

35231023221 is a wasteful number, since it uses less digits than its factorization.

35231023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49136955.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 35231023221 its reverse (12232013253), we get a palindrome (47463036474).

The spelling of 35231023221 in words is "thirty-five billion, two hundred thirty-one million, twenty-three thousand, two hundred twenty-one".