310481 has 2 divisors, whose sum is σ = 310482. Its totient is φ = 310480.

The previous prime is 310463. The next prime is 310489. The reversal of 310481 is 184013.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 297025 + 13456 = 545^2 + 116^2 .

It is an emirp because it is prime and its reverse (184013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 310481 - 2¹⁰ = 309457 is a prime.

It is a super-2 number, since 2×310481² = 192796902722, which contains 22 as substring.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 310481.

It is not a weakly prime, because it can be changed into another prime (310489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155240 + 155241.

It is an arithmetic number, because the mean of its divisors is an integer number (155241).

2³¹⁰⁴⁸¹ is an apocalyptic number.

It is an amenable number.

310481 is a deficient number, since it is larger than the sum of its proper divisors (1).

310481 is an equidigital number, since it uses as much as digits as its factorization.

310481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 310481 is about 557.2082196092. The cubic root of 310481 is about 67.7139802996.

Adding to 310481 its reverse (184013), we get a palindrome (494494).

The spelling of 310481 in words is "three hundred ten thousand, four hundred eighty-one".