30990133143 has 16 divisors (see below), whose sum is σ = 45927272160. Its totient is φ = 20652905088.

The previous prime is 30990133133. The next prime is 30990133151. The reversal of 30990133143 is 34133109903.

It is not a de Polignac number, because 30990133143 - 2¹⁶ = 30990067607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30990133098 and 30990133107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30990133133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119880 + ... + 276317.

It is an arithmetic number, because the mean of its divisors is an integer number (2870454510).

Almost surely, 2^30990133143 is an apocalyptic number.

30990133143 is a deficient number, since it is larger than the sum of its proper divisors (14937139017).

30990133143 is a wasteful number, since it uses less digits than its factorization.

30990133143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399103 (or 399097 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The spelling of 30990133143 in words is "thirty billion, nine hundred ninety million, one hundred thirty-three thousand, one hundred forty-three".