230081161539 has 4 divisors (see below), whose sum is σ = 306774882056. Its totient is φ = 153387441024.

The previous prime is 230081161537. The next prime is 230081161571. The reversal of 230081161539 is 935161180032.

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

It is not a de Polignac number, because 230081161539 - 2¹ = 230081161537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230081161497 and 230081161506.

It is not an unprimeable number, because it can be changed into a prime (230081161537) 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, 38346860254 + ... + 38346860259.

It is an arithmetic number, because the mean of its divisors is an integer number (76693720514).

Almost surely, 2^230081161539 is an apocalyptic number.

230081161539 is a deficient number, since it is larger than the sum of its proper divisors (76693720517).

230081161539 is an equidigital number, since it uses as much as digits as its factorization.

230081161539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76693720516.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 230081161539 in words is "two hundred thirty billion, eighty-one million, one hundred sixty-one thousand, five hundred thirty-nine".