30131111333332 has 6 divisors (see below), whose sum is σ = 52729444833338. Its totient is φ = 15065555666664.

The previous prime is 30131111333329. The next prime is 30131111333339. The reversal of 30131111333332 is 23333311113103.

It can be written as a sum of positive squares in only one way, i.e., 18821315429316 + 11309795904016 = 4338354^2 + 3363004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30131111333332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30131111333339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3766388916663 + ... + 3766388916670.

Almost surely, 2^{30131111333332} is an apocalyptic number.

It is an amenable number.

30131111333332 is a deficient number, since it is larger than the sum of its proper divisors (22598333500006).

30131111333332 is a wasteful number, since it uses less digits than its factorization.

30131111333332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7532777833337 (or 7532777833335 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 28.

Adding to 30131111333332 its reverse (23333311113103), we get a palindrome (53464422446435).

The spelling of 30131111333332 in words is "thirty trillion, one hundred thirty-one billion, one hundred eleven million, three hundred thirty-three thousand, three hundred thirty-two".