30231541131536 has 20 divisors (see below), whose sum is σ = 59375989176732. Its totient is φ = 14908705214976.

The previous prime is 30231541131509. The next prime is 30231541131553. The reversal of 30231541131536 is 63513114513203.

It can be written as a sum of positive squares in 2 ways, for example, as 22747596069136 + 7483945062400 = 4769444^2 + 2735680^2 .

It is a super-3 number, since 3×30231541131536³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30231541131536.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12941583221 + ... + 12941585556.

Almost surely, 2^{30231541131536} is an apocalyptic number.

It is an amenable number.

30231541131536 is a deficient number, since it is larger than the sum of its proper divisors (29144448045196).

30231541131536 is a wasteful number, since it uses less digits than its factorization.

30231541131536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25883168858 (or 25883168852 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

Adding to 30231541131536 its reverse (63513114513203), we get a palindrome (93744655644739).

The spelling of 30231541131536 in words is "thirty trillion, two hundred thirty-one billion, five hundred forty-one million, one hundred thirty-one thousand, five hundred thirty-six".