30231022456 has 8 divisors (see below), whose sum is σ = 56683167120. Its totient is φ = 15115511224.

The previous prime is 30231022447. The next prime is 30231022489. The reversal of 30231022456 is 65422013203.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1889438896 + ... + 1889438911.

It is an arithmetic number, because the mean of its divisors is an integer number (7085395890).

Almost surely, 2^30231022456 is an apocalyptic number.

It is an amenable number.

30231022456 is a deficient number, since it is larger than the sum of its proper divisors (26452144664).

30231022456 is a wasteful number, since it uses less digits than its factorization.

30231022456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778877813 (or 3778877809 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 30231022456 its reverse (65422013203), we get a palindrome (95653035659).

The spelling of 30231022456 in words is "thirty billion, two hundred thirty-one million, twenty-two thousand, four hundred fifty-six".