1001179313 has 2 divisors, whose sum is σ = 1001179314. Its totient is φ = 1001179312.

The previous prime is 1001179297. The next prime is 1001179339. The reversal of 1001179313 is 3139711001.

It is an a-pointer prime, because the next prime (1001179339) can be obtained adding 1001179313 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 779973184 + 221206129 = 27928^2 + 14873^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001179313 - 2⁴ = 1001179297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001179373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500589656 + 500589657.

It is an arithmetic number, because the mean of its divisors is an integer number (500589657).

Almost surely, 2^1001179313 is an apocalyptic number.

It is an amenable number.

1001179313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001179313 is an equidigital number, since it uses as much as digits as its factorization.

1001179313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 1001179313 is about 31641.4176831570. The cubic root of 1001179313 is about 1000.3929499035.

The spelling of 1001179313 in words is "one billion, one million, one hundred seventy-nine thousand, three hundred thirteen".