1313620422611 has 4 divisors (see below), whose sum is σ = 1501280482992. Its totient is φ = 1125960362232.

The previous prime is 1313620422607. The next prime is 1313620422613. The reversal of 1313620422611 is 1162240263131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313620422611 - 2² = 1313620422607 is a prime.

It is a super-2 number, since 2×1313620422611² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313620422613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93830030180 + ... + 93830030193.

It is an arithmetic number, because the mean of its divisors is an integer number (375320120748).

Almost surely, 2^{1313620422611} is an apocalyptic number.

1313620422611 is a deficient number, since it is larger than the sum of its proper divisors (187660060381).

1313620422611 is an equidigital number, since it uses as much as digits as its factorization.

1313620422611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187660060380.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 1313620422611 its reverse (1162240263131), we get a palindrome (2475860685742).

The spelling of 1313620422611 in words is "one trillion, three hundred thirteen billion, six hundred twenty million, four hundred twenty-two thousand, six hundred eleven".