71313001 has 4 divisors (see below), whose sum is σ = 73772100. Its totient is φ = 68853904.

The previous prime is 71312971. The next prime is 71313007. The reversal of 71313001 is 10031317.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28344976 + 42968025 = 5324^2 + 6555^2 .

It is a cyclic number.

It is not a de Polignac number, because 71313001 - 2¹⁹ = 70788713 is a prime.

It is a super-2 number, since 2×71313001² = 10171088223252002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71313007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229506 + ... + 1229563.

It is an arithmetic number, because the mean of its divisors is an integer number (18443025).

Almost surely, 2^71313001 is an apocalyptic number.

It is an amenable number.

71313001 is a deficient number, since it is larger than the sum of its proper divisors (2459099).

71313001 is a wasteful number, since it uses less digits than its factorization.

71313001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459098.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 71313001 is about 8444.7025406464. The cubic root of 71313001 is about 414.6893712676.

Adding to 71313001 its reverse (10031317), we get a palindrome (81344318).

The spelling of 71313001 in words is "seventy-one million, three hundred thirteen thousand, one".