303806980381 has 16 divisors (see below), whose sum is σ = 327818358144. Its totient is φ = 280859477184.

The previous prime is 303806980369. The next prime is 303806980439. The reversal of 303806980381 is 183089608303.

It is a cyclic number.

It is not a de Polignac number, because 303806980381 - 2⁹ = 303806979869 is a prime.

It is a super-2 number, since 2×303806980381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303806980181) 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 15 ways as a sum of consecutive naturals, for example, 1778226 + ... + 1941571.

It is an arithmetic number, because the mean of its divisors is an integer number (20488647384).

Almost surely, 2^303806980381 is an apocalyptic number.

It is an amenable number.

303806980381 is a deficient number, since it is larger than the sum of its proper divisors (24011377763).

303806980381 is a wasteful number, since it uses less digits than its factorization.

303806980381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719940.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 303806980381 in words is "three hundred three billion, eight hundred six million, nine hundred eighty thousand, three hundred eighty-one".