1040313293 has 2 divisors, whose sum is σ = 1040313294. Its totient is φ = 1040313292.

The previous prime is 1040313269. The next prime is 1040313343. The reversal of 1040313293 is 3923130401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1039611049 + 702244 = 32243^2 + 838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040313293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040313223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520156646 + 520156647.

It is an arithmetic number, because the mean of its divisors is an integer number (520156647).

Almost surely, 2^1040313293 is an apocalyptic number.

It is an amenable number.

1040313293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040313293 is an equidigital number, since it uses as much as digits as its factorization.

1040313293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1040313293 is about 32253.8880291973. Note that the first 3 decimals coincide. The cubic root of 1040313293 is about 1013.2611294232.

Adding to 1040313293 its reverse (3923130401), we get a palindrome (4963443694).

The spelling of 1040313293 in words is "one billion, forty million, three hundred thirteen thousand, two hundred ninety-three".