Search a number
-
+
310545325421 is a prime number
BaseRepresentation
bin1001000010011011111…
…00011001110101101101
31002200120102211001201022
410201031330121311231
520041444100403141
6354355040023525
731302413466332
oct4411574316555
91080512731638
10310545325421
1110a779816381
1250229001ba5
13233907b0936
141105d898989
158128389b4b
hex484df19d6d

310545325421 has 2 divisors, whose sum is σ = 310545325422. Its totient is φ = 310545325420.

The previous prime is 310545325417. The next prime is 310545325429. The reversal of 310545325421 is 124523545013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306931512196 + 3613813225 = 554014^2 + 60115^2 .

It is a cyclic number.

It is not a de Polignac number, because 310545325421 - 22 = 310545325417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (310545325429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155272662710 + 155272662711.

It is an arithmetic number, because the mean of its divisors is an integer number (155272662711).

Almost surely, 2310545325421 is an apocalyptic number.

It is an amenable number.

310545325421 is a deficient number, since it is larger than the sum of its proper divisors (1).

310545325421 is an equidigital number, since it uses as much as digits as its factorization.

310545325421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 310545325421 in words is "three hundred ten billion, five hundred forty-five million, three hundred twenty-five thousand, four hundred twenty-one".