30145133361 has 16 divisors (see below), whose sum is σ = 45940109184. Its totient is φ = 17224040064.

The previous prime is 30145133281. The next prime is 30145133371. The reversal of 30145133361 is 16333154103.

It is not a de Polignac number, because 30145133361 - 2⁷ = 30145133233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30145133371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155245 + ... + 290501.

It is an arithmetic number, because the mean of its divisors is an integer number (2871256824).

Almost surely, 2^30145133361 is an apocalyptic number.

It is an amenable number.

30145133361 is a deficient number, since it is larger than the sum of its proper divisors (15794975823).

30145133361 is a wasteful number, since it uses less digits than its factorization.

30145133361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145880.

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 30145133361 its reverse (16333154103), we get a palindrome (46478287464).

The spelling of 30145133361 in words is "thirty billion, one hundred forty-five million, one hundred thirty-three thousand, three hundred sixty-one".