304020013901 has 2 divisors, whose sum is σ = 304020013902. Its totient is φ = 304020013900.

The previous prime is 304020013877. The next prime is 304020013903. The reversal of 304020013901 is 109310020403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173047680100 + 130972333801 = 415990^2 + 361901^2 .

It is a cyclic number.

It is not a de Polignac number, because 304020013901 - 2²⁶ = 303952905037 is a prime.

Together with 304020013903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304020013903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152010006950 + 152010006951.

It is an arithmetic number, because the mean of its divisors is an integer number (152010006951).

Almost surely, 2^304020013901 is an apocalyptic number.

It is an amenable number.

304020013901 is a deficient number, since it is larger than the sum of its proper divisors (1).

304020013901 is an equidigital number, since it uses as much as digits as its factorization.

304020013901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 304020013901 in words is "three hundred four billion, twenty million, thirteen thousand, nine hundred one".