30773131359073 has 4 divisors (see below), whose sum is σ = 30808220449300. Its totient is φ = 30738042268848.

The previous prime is 30773131359067. The next prime is 30773131359109. The reversal of 30773131359073 is 37095313137703.

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 13361013393984 + 17412117965089 = 3655272^2 + 4172783^2 .

It is a cyclic number.

It is not a de Polignac number, because 30773131359073 - 2¹⁷ = 30773131228001 is a prime.

It is a super-2 number, since 2×30773131359073² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30773131359073.

It is not an unprimeable number, because it can be changed into a prime (30773131359673) 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, 17544543798 + ... + 17544545551.

It is an arithmetic number, because the mean of its divisors is an integer number (7702055112325).

Almost surely, 2^{30773131359073} is an apocalyptic number.

It is an amenable number.

30773131359073 is a deficient number, since it is larger than the sum of its proper divisors (35089090227).

30773131359073 is an equidigital number, since it uses as much as digits as its factorization.

30773131359073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35089090226.

The product of its (nonzero) digits is 3750705, while the sum is 52.

The spelling of 30773131359073 in words is "thirty trillion, seven hundred seventy-three billion, one hundred thirty-one million, three hundred fifty-nine thousand, seventy-three".