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313323130231 = 1523313765581
BaseRepresentation
bin1001000111100111000…
…00111000110101110111
31002221202000202011112221
410203303200320311313
520113141210131411
6355534430023211
731431303443536
oct4436340706567
91087660664487
10313323130231
11110974814231
1250883347b07
1323714139517
141124478231d
15823c18d071
hex48f3838d77

313323130231 has 8 divisors (see below), whose sum is σ = 313633585584. Its totient is φ = 313012815360.

The previous prime is 313323130217. The next prime is 313323130261. The reversal of 313323130231 is 132031323313.

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 313323130231 - 25 = 313323130199 is a prime.

It is a super-2 number, since 2×3133231302312 (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 = 313323130196 and 313323130205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313323130261) 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, 4744861 + ... + 4810441.

It is an arithmetic number, because the mean of its divisors is an integer number (39204198198).

Almost surely, 2313323130231 is an apocalyptic number.

313323130231 is a deficient number, since it is larger than the sum of its proper divisors (310455353).

313323130231 is a wasteful number, since it uses less digits than its factorization.

313323130231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70241.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 313323130231 its reverse (132031323313), we get a palindrome (445354453544).

The spelling of 313323130231 in words is "three hundred thirteen billion, three hundred twenty-three million, one hundred thirty thousand, two hundred thirty-one".

Divisors: 1 1523 3137 65581 4777651 99879863 205727597 313323130231