1241400313 has 2 divisors, whose sum is σ = 1241400314. Its totient is φ = 1241400312.

The previous prime is 1241400311. The next prime is 1241400319. The reversal of 1241400313 is 3130041421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1162332649 + 79067664 = 34093^2 + 8892^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241400313 - 2¹ = 1241400311 is a prime.

Together with 1241400311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1241400311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620700156 + 620700157.

It is an arithmetic number, because the mean of its divisors is an integer number (620700157).

Almost surely, 2^1241400313 is an apocalyptic number.

It is an amenable number.

1241400313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241400313 is an equidigital number, since it uses as much as digits as its factorization.

1241400313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1241400313 is about 35233.5112215629. The cubic root of 1241400313 is about 1074.7413296503.

Adding to 1241400313 its reverse (3130041421), we get a palindrome (4371441734).

The spelling of 1241400313 in words is "one billion, two hundred forty-one million, four hundred thousand, three hundred thirteen".