313030120221 has 192 divisors, whose sum is σ = 600896185344. Its totient is φ = 152520192000.

The previous prime is 313030120219. The next prime is 313030120229. The reversal of 313030120221 is 122021030313.

It is not a de Polignac number, because 313030120221 - 2¹ = 313030120219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313030120194 and 313030120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313030120229) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 78002011 + ... + 78006023.

It is an arithmetic number, because the mean of its divisors is an integer number (3129667632).

Almost surely, 2^313030120221 is an apocalyptic number.

It is an amenable number.

313030120221 is a deficient number, since it is larger than the sum of its proper divisors (287866065123).

313030120221 is a wasteful number, since it uses less digits than its factorization.

313030120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4204 (or 4201 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 313030120221 its reverse (122021030313), we get a palindrome (435051150534).

The spelling of 313030120221 in words is "three hundred thirteen billion, thirty million, one hundred twenty thousand, two hundred twenty-one".