313232001121 has 16 divisors (see below), whose sum is σ = 343855680336. Its totient is φ = 283546238976.

The previous prime is 313232001113. The next prime is 313232001167. The reversal of 313232001121 is 121100232313.

It can be written as a sum of positive squares in 8 ways, for example, as 4940543521 + 308291457600 = 70289^2 + 555240^2 .

It is not a de Polignac number, because 313232001121 - 2³ = 313232001113 is a prime.

It is a super-2 number, since 2×313232001121² (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 (313232002121) 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, 1348281 + ... + 1563433.

It is an arithmetic number, because the mean of its divisors is an integer number (21490980021).

Almost surely, 2^313232001121 is an apocalyptic number.

It is an amenable number.

313232001121 is a deficient number, since it is larger than the sum of its proper divisors (30623679215).

313232001121 is a wasteful number, since it uses less digits than its factorization.

313232001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217332.

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

Adding to 313232001121 its reverse (121100232313), we get a palindrome (434332233434).

The spelling of 313232001121 in words is "three hundred thirteen billion, two hundred thirty-two million, one thousand, one hundred twenty-one".