30975556141 has 4 divisors (see below), whose sum is σ = 31812733372. Its totient is φ = 30138378912.

The previous prime is 30975556109. The next prime is 30975556201. The reversal of 30975556141 is 14165557903.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28080040041 + 2895516100 = 167571^2 + 53810^2 .

It is a cyclic number.

It is not a de Polignac number, because 30975556141 - 2⁵ = 30975556109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30975556091 and 30975556100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30975550141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418588560 + ... + 418588633.

It is an arithmetic number, because the mean of its divisors is an integer number (7953183343).

Almost surely, 2^30975556141 is an apocalyptic number.

It is an amenable number.

30975556141 is a deficient number, since it is larger than the sum of its proper divisors (837177231).

30975556141 is an equidigital number, since it uses as much as digits as its factorization.

30975556141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837177230.

The product of its (nonzero) digits is 567000, while the sum is 46.

The spelling of 30975556141 in words is "thirty billion, nine hundred seventy-five million, five hundred fifty-six thousand, one hundred forty-one".