313222120145 has 8 divisors (see below), whose sum is σ = 410036230080. Its totient is φ = 227797905520.

The previous prime is 313222120091. The next prime is 313222120151. The reversal of 313222120145 is 541021222313.

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

It is not a de Polignac number, because 313222120145 - 2¹² = 313222116049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2847473765 + ... + 2847473874.

It is an arithmetic number, because the mean of its divisors is an integer number (51254528760).

Almost surely, 2^313222120145 is an apocalyptic number.

It is an amenable number.

313222120145 is a deficient number, since it is larger than the sum of its proper divisors (96814109935).

313222120145 is a wasteful number, since it uses less digits than its factorization.

313222120145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694947655.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 313222120145 its reverse (541021222313), we get a palindrome (854243342458).

The spelling of 313222120145 in words is "three hundred thirteen billion, two hundred twenty-two million, one hundred twenty thousand, one hundred forty-five".