308120440241 has 2 divisors, whose sum is σ = 308120440242. Its totient is φ = 308120440240.

The previous prime is 308120440193. The next prime is 308120440351. The reversal of 308120440241 is 142044021803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294007950625 + 14112489616 = 542225^2 + 118796^2 .

It is a cyclic number.

It is not a de Polignac number, because 308120440241 - 2³⁴ = 290940571057 is a prime.

It is not a weakly prime, because it can be changed into another prime (308120448241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154060220120 + 154060220121.

It is an arithmetic number, because the mean of its divisors is an integer number (154060220121).

Almost surely, 2^308120440241 is an apocalyptic number.

It is an amenable number.

308120440241 is a deficient number, since it is larger than the sum of its proper divisors (1).

308120440241 is an equidigital number, since it uses as much as digits as its factorization.

308120440241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 308120440241 in words is "three hundred eight billion, one hundred twenty million, four hundred forty thousand, two hundred forty-one".