30231540532 has 12 divisors (see below), whose sum is σ = 52914614116. Its totient is φ = 15113079360.

The previous prime is 30231540517. The next prime is 30231540553. The reversal of 30231540532 is 23504513203.

It can be written as a sum of positive squares in 2 ways, for example, as 29630113956 + 601426576 = 172134^2 + 24524^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30231540532.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647343 + ... + 692470.

Almost surely, 2^30231540532 is an apocalyptic number.

It is an amenable number.

30231540532 is a deficient number, since it is larger than the sum of its proper divisors (22683073584).

30231540532 is a wasteful number, since it uses less digits than its factorization.

30231540532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345458 (or 1345456 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 30231540532 in words is "thirty billion, two hundred thirty-one million, five hundred forty thousand, five hundred thirty-two".