1313622205161 has 8 divisors (see below), whose sum is σ = 2001710026944. Its totient is φ = 750641260080.

The previous prime is 1313622205127. The next prime is 1313622205211. The reversal of 1313622205161 is 1615022263131.

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

It is not a de Polignac number, because 1313622205161 - 2⁶ = 1313622205097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313622205111) 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, 31276719150 + ... + 31276719191.

It is an arithmetic number, because the mean of its divisors is an integer number (250213753368).

Almost surely, 2^{1313622205161} is an apocalyptic number.

It is an amenable number.

1313622205161 is a deficient number, since it is larger than the sum of its proper divisors (688087821783).

1313622205161 is an equidigital number, since it uses as much as digits as its factorization.

1313622205161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62553438351.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 1313622205161 its reverse (1615022263131), we get a palindrome (2928644468292).

The spelling of 1313622205161 in words is "one trillion, three hundred thirteen billion, six hundred twenty-two million, two hundred five thousand, one hundred sixty-one".