313131002222 has 8 divisors (see below), whose sum is σ = 469781502096. Its totient is φ = 156537168192.

The previous prime is 313131002209. The next prime is 313131002231. The reversal of 313131002222 is 222200131313.

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

It is a junction number, because it is equal to n+sod(n) for n = 313131002194 and 313131002203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14152643 + ... + 14174750.

It is an arithmetic number, because the mean of its divisors is an integer number (58722687762).

Almost surely, 2^313131002222 is an apocalyptic number.

313131002222 is a deficient number, since it is larger than the sum of its proper divisors (156650499874).

313131002222 is a wasteful number, since it uses less digits than its factorization.

313131002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28332922.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 313131002222 its reverse (222200131313), we get a palindrome (535331133535).

The spelling of 313131002222 in words is "three hundred thirteen billion, one hundred thirty-one million, two thousand, two hundred twenty-two".