30375961139 has 4 divisors (see below), whose sum is σ = 30579826800. Its totient is φ = 30172095480.

The previous prime is 30375961129. The next prime is 30375961159. The reversal of 30375961139 is 93116957303.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93116957303 = 23 ⋅4048563361.

It is a cyclic number.

It is not a de Polignac number, because 30375961139 - 2¹⁶ = 30375895603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30375961093 and 30375961102.

It is not an unprimeable number, because it can be changed into a prime (30375961129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101932607 + ... + 101932904.

It is an arithmetic number, because the mean of its divisors is an integer number (7644956700).

Almost surely, 2^30375961139 is an apocalyptic number.

30375961139 is a deficient number, since it is larger than the sum of its proper divisors (203865661).

30375961139 is a wasteful number, since it uses less digits than its factorization.

30375961139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203865660.

The product of its (nonzero) digits is 459270, while the sum is 47.

The spelling of 30375961139 in words is "thirty billion, three hundred seventy-five million, nine hundred sixty-one thousand, one hundred thirty-nine".