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313322000231 = 1861168362171
BaseRepresentation
bin1001000111100110111…
…00100100111101100111
31002221201221121202111002
410203303130210331213
520113140413001411
6355534345503515
731431261026222
oct4436334447547
91087657552432
10313322000231
11110974112249
1250882aa1b9b
1323713b32096
141124456a5b9
15823c01833b
hex48f3724f67

313322000231 has 4 divisors (see below), whose sum is σ = 313490364264. Its totient is φ = 313153636200.

The previous prime is 313322000227. The next prime is 313322000291. The reversal of 313322000231 is 132000223313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313322000231 - 22 = 313322000227 is a prime.

It is a super-2 number, since 2×3133220002312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313322000221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84179225 + ... + 84182946.

It is an arithmetic number, because the mean of its divisors is an integer number (78372591066).

Almost surely, 2313322000231 is an apocalyptic number.

313322000231 is a deficient number, since it is larger than the sum of its proper divisors (168364033).

313322000231 is a wasteful number, since it uses less digits than its factorization.

313322000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168364032.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 313322000231 its reverse (132000223313), we get a palindrome (445322223544).

The spelling of 313322000231 in words is "three hundred thirteen billion, three hundred twenty-two million, two hundred thirty-one", and thus it is an aban number.

Divisors: 1 1861 168362171 313322000231