30195429896161 has 4 divisors (see below), whose sum is σ = 30506722987972. Its totient is φ = 29884136804352.

The previous prime is 30195429896143. The next prime is 30195429896179. The reversal of 30195429896161 is 16169892459103.

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

It is an interprime number because it is at equal distance from previous prime (30195429896143) and next prime (30195429896179).

It can be written as a sum of positive squares in 2 ways, for example, as 22910046165136 + 7285383731025 = 4786444^2 + 2699145^2 .

It is a cyclic number.

It is not a de Polignac number, because 30195429896161 - 2⁷ = 30195429896033 is a prime.

It is a super-2 number, since 2×30195429896161² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30195429896093 and 30195429896102.

It is not an unprimeable number, because it can be changed into a prime (30195429896101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155646545760 + ... + 155646545953.

It is an arithmetic number, because the mean of its divisors is an integer number (7626680746993).

Almost surely, 2^{30195429896161} is an apocalyptic number.

It is an amenable number.

30195429896161 is a deficient number, since it is larger than the sum of its proper divisors (311293091811).

30195429896161 is an equidigital number, since it uses as much as digits as its factorization.

30195429896161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311293091810.

The product of its (nonzero) digits is 25194240, while the sum is 64.

The spelling of 30195429896161 in words is "thirty trillion, one hundred ninety-five billion, four hundred twenty-nine million, eight hundred ninety-six thousand, one hundred sixty-one".