310220401 has 2 divisors, whose sum is σ = 310220402. Its totient is φ = 310220400.

The previous prime is 310220399. The next prime is 310220479. The reversal of 310220401 is 104022013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172134400 + 138086001 = 13120^2 + 11751^2 .

It is an emirp because it is prime and its reverse (104022013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 310220401 - 2¹ = 310220399 is a prime.

Together with 310220399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (310223401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155110200 + 155110201.

It is an arithmetic number, because the mean of its divisors is an integer number (155110201).

Almost surely, 2^310220401 is an apocalyptic number.

It is an amenable number.

310220401 is a deficient number, since it is larger than the sum of its proper divisors (1).

310220401 is an equidigital number, since it uses as much as digits as its factorization.

310220401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 310220401 is about 17613.0747173797. The cubic root of 310220401 is about 676.9502998816.

Adding to 310220401 its reverse (104022013), we get a palindrome (414242414).

The spelling of 310220401 in words is "three hundred ten million, two hundred twenty thousand, four hundred one".