2001310315097 has 8 divisors (see below), whose sum is σ = 2014815957000. Its totient is φ = 1987805660544.

The previous prime is 2001310315061. The next prime is 2001310315129. The reversal of 2001310315097 is 7905130131002.

It can be written as a sum of positive squares in 4 ways, for example, as 183947489881 + 1817362825216 = 428891^2 + 1348096^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001310315097 - 2¹² = 2001310311001 is a prime.

It is a super-2 number, since 2×2001310315097² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001310315597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4075133 + ... + 4539749.

It is an arithmetic number, because the mean of its divisors is an integer number (251851994625).

Almost surely, 2^{2001310315097} is an apocalyptic number.

It is an amenable number.

2001310315097 is a deficient number, since it is larger than the sum of its proper divisors (13505641903).

2001310315097 is a wasteful number, since it uses less digits than its factorization.

2001310315097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493675.

The product of its (nonzero) digits is 5670, while the sum is 32.

Adding to 2001310315097 its reverse (7905130131002), we get a palindrome (9906440446099).

The spelling of 2001310315097 in words is "two trillion, one billion, three hundred ten million, three hundred fifteen thousand, ninety-seven".