30523021036 has 12 divisors (see below), whose sum is σ = 53442933712. Its totient is φ = 15253611408.

The previous prime is 30523021031. The next prime is 30523021049. The reversal of 30523021036 is 63012032503.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30523021036.

It is not an unprimeable number, because it can be changed into a prime (30523021031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1966080 + ... + 1981543.

Almost surely, 2^30523021036 is an apocalyptic number.

It is an amenable number.

30523021036 is a deficient number, since it is larger than the sum of its proper divisors (22919912676).

30523021036 is a wasteful number, since it uses less digits than its factorization.

30523021036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949560 (or 3949558 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 30523021036 its reverse (63012032503), we get a palindrome (93535053539).

The spelling of 30523021036 in words is "thirty billion, five hundred twenty-three million, twenty-one thousand, thirty-six".