1147952313 has 12 divisors (see below), whose sum is σ = 1659204820. Its totient is φ = 764816256.

The previous prime is 1147952297. The next prime is 1147952329. The reversal of 1147952313 is 3132597411.

1147952313 is a `hidden beast` number, since 114 + 7 + 9 + 523 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (1147952297) and next prime (1147952329).

It can be written as a sum of positive squares in 2 ways, for example, as 732893184 + 415059129 = 27072^2 + 20373^2 .

It is not a de Polignac number, because 1147952313 - 2⁴ = 1147952297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1147952363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25156 + ... + 54117.

Almost surely, 2^1147952313 is an apocalyptic number.

It is an amenable number.

1147952313 is a deficient number, since it is larger than the sum of its proper divisors (511252507).

1147952313 is a wasteful number, since it uses less digits than its factorization.

1147952313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80888 (or 80885 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 1147952313 is about 33881.4449662348. Note that the first 3 decimals coincide. The cubic root of 1147952313 is about 1047.0673459635.

The spelling of 1147952313 in words is "one billion, one hundred forty-seven million, nine hundred fifty-two thousand, three hundred thirteen".