30231322745 has 32 divisors (see below), whose sum is σ = 40438137600. Its totient is φ = 21542701824.

The previous prime is 30231322703. The next prime is 30231322763. The reversal of 30231322745 is 54722313203.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30231322745 - 2¹⁰ = 30231321721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4564046 + ... + 4570664.

It is an arithmetic number, because the mean of its divisors is an integer number (1263691800).

Almost surely, 2^30231322745 is an apocalyptic number.

It is an amenable number.

30231322745 is a deficient number, since it is larger than the sum of its proper divisors (10206814855).

30231322745 is a wasteful number, since it uses less digits than its factorization.

30231322745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9089.

The product of its (nonzero) digits is 30240, while the sum is 32.

Adding to 30231322745 its reverse (54722313203), we get a palindrome (84953635948).

The spelling of 30231322745 in words is "thirty billion, two hundred thirty-one million, three hundred twenty-two thousand, seven hundred forty-five".