1311819651007 has 8 divisors (see below), whose sum is σ = 1334199456000. Its totient is φ = 1289444698584.

The previous prime is 1311819650987. The next prime is 1311819651011. The reversal of 1311819651007 is 7001569181131.

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 1311819651007 - 2⁷ = 1311819650879 is a prime.

It is a super-2 number, since 2×1311819651007² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311819651017) 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, 665773 + ... + 1751254.

It is an arithmetic number, because the mean of its divisors is an integer number (166774932000).

Almost surely, 2^{1311819651007} is an apocalyptic number.

1311819651007 is a deficient number, since it is larger than the sum of its proper divisors (22379804993).

1311819651007 is an equidigital number, since it uses as much as digits as its factorization.

1311819651007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426285.

The product of its (nonzero) digits is 45360, while the sum is 43.

The spelling of 1311819651007 in words is "one trillion, three hundred eleven billion, eight hundred nineteen million, six hundred fifty-one thousand, seven".