313133132121 has 8 divisors (see below), whose sum is σ = 417631211520. Its totient is φ = 208695237072.

The previous prime is 313133132099. The next prime is 313133132129. The reversal of 313133132121 is 121231331313.

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

It is not a de Polignac number, because 313133132121 - 2⁵ = 313133132089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313133132091 and 313133132100.

It is not an unprimeable number, because it can be changed into a prime (313133132129) 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, 15033945 + ... + 15054758.

It is an arithmetic number, because the mean of its divisors is an integer number (52203901440).

Almost surely, 2^313133132121 is an apocalyptic number.

It is an amenable number.

313133132121 is a deficient number, since it is larger than the sum of its proper divisors (104498079399).

313133132121 is a wasteful number, since it uses less digits than its factorization.

313133132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30092175.

The product of its digits is 972, while the sum is 24.

Adding to 313133132121 its reverse (121231331313), we get a palindrome (434364463434).

The spelling of 313133132121 in words is "three hundred thirteen billion, one hundred thirty-three million, one hundred thirty-two thousand, one hundred twenty-one".