1001312331297 has 16 divisors (see below), whose sum is σ = 1351116253440. Its totient is φ = 659557905552.

The previous prime is 1001312331293. The next prime is 1001312331329. The reversal of 1001312331297 is 7921332131001.

It is not a de Polignac number, because 1001312331297 - 2² = 1001312331293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001312331293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3993583 + ... + 4236900.

It is an arithmetic number, because the mean of its divisors is an integer number (84444765840).

Almost surely, 2^{1001312331297} is an apocalyptic number.

It is an amenable number.

1001312331297 is a deficient number, since it is larger than the sum of its proper divisors (349803922143).

1001312331297 is a wasteful number, since it uses less digits than its factorization.

1001312331297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8230972.

The product of its (nonzero) digits is 6804, while the sum is 33.

Adding to 1001312331297 its reverse (7921332131001), we get a palindrome (8922644462298).

The spelling of 1001312331297 in words is "one trillion, one billion, three hundred twelve million, three hundred thirty-one thousand, two hundred ninety-seven".