313231220011 has 16 divisors (see below), whose sum is σ = 345121603200. Its totient is φ = 283069358208.

The previous prime is 313231219981. The next prime is 313231220023. The reversal of 313231220011 is 110022132313.

It is a cyclic number.

It is not a de Polignac number, because 313231220011 - 2⁷ = 313231219883 is a prime.

It is a super-2 number, since 2×313231220011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313231220611) 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, 3588201 + ... + 3674458.

It is an arithmetic number, because the mean of its divisors is an integer number (21570100200).

Almost surely, 2^313231220011 is an apocalyptic number.

313231220011 is a deficient number, since it is larger than the sum of its proper divisors (31890383189).

313231220011 is a wasteful number, since it uses less digits than its factorization.

313231220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7262778.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 313231220011 its reverse (110022132313), we get a palindrome (423253352324).

The spelling of 313231220011 in words is "three hundred thirteen billion, two hundred thirty-one million, two hundred twenty thousand, eleven".