313423205511 has 16 divisors (see below), whose sum is σ = 458534968416. Its totient is φ = 189236651136.

The previous prime is 313423205461. The next prime is 313423205521. The reversal of 313423205511 is 115502324313.

It is not a de Polignac number, because 313423205511 - 2⁷ = 313423205383 is a prime.

It is a super-2 number, since 2×313423205511² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313423205521) 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, 75813900 + ... + 75818033.

It is an arithmetic number, because the mean of its divisors is an integer number (28658435526).

Almost surely, 2^313423205511 is an apocalyptic number.

313423205511 is a deficient number, since it is larger than the sum of its proper divisors (145111762905).

313423205511 is a wasteful number, since it uses less digits than its factorization.

313423205511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151632002.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 313423205511 its reverse (115502324313), we get a palindrome (428925529824).

The spelling of 313423205511 in words is "three hundred thirteen billion, four hundred twenty-three million, two hundred five thousand, five hundred eleven".