30305505532 has 24 divisors (see below), whose sum is σ = 56162592864. Its totient is φ = 14259313152.

The previous prime is 30305505497. The next prime is 30305505563. The reversal of 30305505532 is 23550550303.

It is a junction number, because it is equal to n+sod(n) for n = 30305505494 and 30305505503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493728 + ... + 551704.

It is an arithmetic number, because the mean of its divisors is an integer number (2340108036).

Almost surely, 2^30305505532 is an apocalyptic number.

It is an amenable number.

30305505532 is a deficient number, since it is larger than the sum of its proper divisors (25857087332).

30305505532 is a wasteful number, since it uses less digits than its factorization.

30305505532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65685 (or 65683 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 31.

The spelling of 30305505532 in words is "thirty billion, three hundred five million, five hundred five thousand, five hundred thirty-two".