1313001223091 has 16 divisors (see below), whose sum is σ = 1361607226560. Its totient is φ = 1265142625920.

The previous prime is 1313001223081. The next prime is 1313001223117. The reversal of 1313001223091 is 1903221003131.

It is a cyclic number.

It is not a de Polignac number, because 1313001223091 - 2²² = 1312997028787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313001223091.

It is not an unprimeable number, because it can be changed into a prime (1313001223081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1267181 + ... + 2057121.

It is an arithmetic number, because the mean of its divisors is an integer number (85100451660).

Almost surely, 2^{1313001223091} is an apocalyptic number.

1313001223091 is a deficient number, since it is larger than the sum of its proper divisors (48606003469).

1313001223091 is a wasteful number, since it uses less digits than its factorization.

1313001223091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790414.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 1313001223091 in words is "one trillion, three hundred thirteen billion, one million, two hundred twenty-three thousand, ninety-one".