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200013131311 = 7231727128657
BaseRepresentation
bin1011101001000110110…
…1100010111000101111
3201010021020222211021021
42322101231202320233
511234111330200221
6231515035315011
720310340364500
oct2722155427057
9633236884237
10200013131311
117790921aa24
123291bbaba67
1315b26c69096
149975b3cba7
1553096ba041
hex2e91b62e2f

200013131311 has 12 divisors (see below), whose sum is σ = 232677478368. Its totient is φ = 171433090752.

The previous prime is 200013131299. The next prime is 200013131377. The reversal of 200013131311 is 113131310002.

It is not a de Polignac number, because 200013131311 - 215 = 200013098543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200013131711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1490295 + ... + 1618951.

It is an arithmetic number, because the mean of its divisors is an integer number (19389789864).

Almost surely, 2200013131311 is an apocalyptic number.

200013131311 is a deficient number, since it is larger than the sum of its proper divisors (32664347057).

200013131311 is a wasteful number, since it uses less digits than its factorization.

200013131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160398 (or 160391 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 200013131311 its reverse (113131310002), we get a palindrome (313144441313).

The spelling of 200013131311 in words is "two hundred billion, thirteen million, one hundred thirty-one thousand, three hundred eleven".

Divisors: 1 7 49 31727 128657 222089 900599 1554623 6304193 4081900639 28573304473 200013131311