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313020133121 = 2238831589669
BaseRepresentation
bin1001000111000010111…
…01000010111100000001
31002220221220121022122202
410203201131002330001
520112031123224441
6355444403442545
731420634142203
oct4434135027401
91086856538582
10313020133121
11110829782aa3
12507b9986455
132369642c4a7
141121642c773
15822078b19b
hex48e1742f01

313020133121 has 8 divisors (see below), whose sum is σ = 314780094720. Its totient is φ = 311263353072.

The previous prime is 313020133109. The next prime is 313020133123. The reversal of 313020133121 is 121331020313.

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

It is a cyclic number.

It is not a de Polignac number, because 313020133121 - 230 = 311946391297 is a prime.

It is a super-2 number, since 2×3130201331212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313020133093 and 313020133102.

It is not an unprimeable number, because it can be changed into a prime (313020133123) 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, 597926 + ... + 991743.

It is an arithmetic number, because the mean of its divisors is an integer number (39347511840).

Almost surely, 2313020133121 is an apocalyptic number.

It is an amenable number.

313020133121 is a deficient number, since it is larger than the sum of its proper divisors (1759961599).

313020133121 is a wasteful number, since it uses less digits than its factorization.

313020133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590775.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 313020133121 its reverse (121331020313), we get a palindrome (434351153434).

The spelling of 313020133121 in words is "three hundred thirteen billion, twenty million, one hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 223 883 196909 1589669 354496187 1403677727 313020133121