1047802313 has 2 divisors, whose sum is σ = 1047802314. Its totient is φ = 1047802312.

The previous prime is 1047802247. The next prime is 1047802339. The reversal of 1047802313 is 3132087401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 986148409 + 61653904 = 31403^2 + 7852^2 .

It is an emirp because it is prime and its reverse (3132087401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1047802313 - 2⁸ = 1047802057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1047802013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523901156 + 523901157.

It is an arithmetic number, because the mean of its divisors is an integer number (523901157).

Almost surely, 2^1047802313 is an apocalyptic number.

It is an amenable number.

1047802313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047802313 is an equidigital number, since it uses as much as digits as its factorization.

1047802313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1047802313 is about 32369.7746825646. The cubic root of 1047802313 is about 1015.6867437057.

Adding to 1047802313 its reverse (3132087401), we get a palindrome (4179889714).

The spelling of 1047802313 in words is "one billion, forty-seven million, eight hundred two thousand, three hundred thirteen".