2120731301 has 4 divisors (see below), whose sum is σ = 2283864492. Its totient is φ = 1957598112.

The previous prime is 2120731289. The next prime is 2120731309. The reversal of 2120731301 is 1031370212.

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 329241025 + 1791490276 = 18145^2 + 42326^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120731301 - 2⁶ = 2120731237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120731309) 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, 81566576 + ... + 81566601.

It is an arithmetic number, because the mean of its divisors is an integer number (570966123).

Almost surely, 2^2120731301 is an apocalyptic number.

It is an amenable number.

2120731301 is a deficient number, since it is larger than the sum of its proper divisors (163133191).

2120731301 is a wasteful number, since it uses less digits than its factorization.

2120731301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163133190.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2120731301 is about 46051.3984695362. The cubic root of 2120731301 is about 1284.7793533751.

The spelling of 2120731301 in words is "two billion, one hundred twenty million, seven hundred thirty-one thousand, three hundred one".