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313240330231 = 1733176538747
BaseRepresentation
bin1001000111011101001…
…01000001111111110111
31002221112020221111022021
410203232211001333313
520113004011031411
6355522311214011
731426246606243
oct4435645017767
91087466844267
10313240330231
11110932000384
125085b677307
13236ccc3883a
141123778b423
158234c84a71
hex48ee941ff7

313240330231 has 16 divisors (see below), whose sum is σ = 316564995744. Its totient is φ = 309936409984.

The previous prime is 313240330187. The next prime is 313240330267. The reversal of 313240330231 is 132033042313.

It is a cyclic number.

It is not a de Polignac number, because 313240330231 - 213 = 313240322039 is a prime.

It is a super-2 number, since 2×3132403302312 (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 = 313240330196 and 313240330205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313240330531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35806800 + ... + 35815546.

It is an arithmetic number, because the mean of its divisors is an integer number (19785312234).

Almost surely, 2313240330231 is an apocalyptic number.

313240330231 is a deficient number, since it is larger than the sum of its proper divisors (3324665513).

313240330231 is a wasteful number, since it uses less digits than its factorization.

313240330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9890.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 313240330231 its reverse (132033042313), we get a palindrome (445273372544).

The spelling of 313240330231 in words is "three hundred thirteen billion, two hundred forty million, three hundred thirty thousand, two hundred thirty-one".

Divisors: 1 173 317 653 8747 54841 112969 207001 1513231 2772799 5711791 35811173 479694227 988139843 1810637747 313240330231