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313231201000 = 23531432721863
BaseRepresentation
bin1001000111011100000…
…10001101001011101000
31002221111121202200100121
410203232002031023220
520112444141413000
6355521343413024
731426106164354
oct4435602151350
91087447680317
10313231201000
11110927935463
12508585b4174
13236cb090423
1411236492464
15823407eb1a
hex48ee08d2e8

313231201000 has 64 divisors (see below), whose sum is σ = 733045697280. Its totient is φ = 125278004800.

The previous prime is 313231200979. The next prime is 313231201043. The reversal of 313231201000 is 102132313.

It is a super-2 number, since 2×3132312010002 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14316069 + ... + 14337931.

It is an arithmetic number, because the mean of its divisors is an integer number (11453839020).

Almost surely, 2313231201000 is an apocalyptic number.

It is an amenable number.

313231201000 is an abundant number, since it is smaller than the sum of its proper divisors (419814496280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313231201000 is a wasteful number, since it uses less digits than its factorization.

313231201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36211 (or 36197 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 313231201000 its reverse (102132313), we get a palindrome (313333333313).

The spelling of 313231201000 in words is "three hundred thirteen billion, two hundred thirty-one million, two hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 14327 21863 28654 43726 57308 71635 87452 109315 114616 143270 174904 218630 286540 358175 437260 546575 573080 716350 874520 1093150 1432700 1790875 2186300 2732875 2865400 3581750 4372600 5465750 7163500 10931500 14327000 21863000 313231201 626462402 1252924804 1566156005 2505849608 3132312010 6264624020 7830780025 12529248040 15661560050 31323120100 39153900125 62646240200 78307800250 156615600500 313231201000