313020424221 has 16 divisors (see below), whose sum is σ = 428636819520. Its totient is φ = 203112195200.

The previous prime is 313020424183. The next prime is 313020424231. The reversal of 313020424221 is 122424020313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 313020424221 - 2¹¹ = 313020422173 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 313020424191 and 313020424200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313020424231) 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, 8736960 + ... + 8772713.

It is an arithmetic number, because the mean of its divisors is an integer number (26789801220).

Almost surely, 2^313020424221 is an apocalyptic number.

It is an amenable number.

313020424221 is a deficient number, since it is larger than the sum of its proper divisors (115616395299).

313020424221 is a wasteful number, since it uses less digits than its factorization.

313020424221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17509836.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 313020424221 its reverse (122424020313), we get a palindrome (435444444534).

The spelling of 313020424221 in words is "three hundred thirteen billion, twenty million, four hundred twenty-four thousand, two hundred twenty-one".