1310996227191 has 16 divisors (see below), whose sum is σ = 1998989990400. Its totient is φ = 748660156128.

The previous prime is 1310996227181. The next prime is 1310996227201. The reversal of 1310996227191 is 1917226990131.

It is an interprime number because it is at equal distance from previous prime (1310996227181) and next prime (1310996227201).

It is not a de Polignac number, because 1310996227191 - 2²³ = 1310987838583 is a prime.

It is a super-3 number, since 3×1310996227191³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310996227111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19989196 + ... + 20054673.

It is an arithmetic number, because the mean of its divisors is an integer number (124936874400).

Almost surely, 2^{1310996227191} is an apocalyptic number.

1310996227191 is a deficient number, since it is larger than the sum of its proper divisors (687993763209).

1310996227191 is a wasteful number, since it uses less digits than its factorization.

1310996227191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40045438.

The product of its (nonzero) digits is 367416, while the sum is 51.

The spelling of 1310996227191 in words is "one trillion, three hundred ten billion, nine hundred ninety-six million, two hundred twenty-seven thousand, one hundred ninety-one".