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31200013300423 = 114382963795077
BaseRepresentation
bin1110001100000010100011…
…01101011011001011000111
311002110200200120102121012211
413012001101231123023013
513042140111401103143
6150205031020524251
76400061262216052
oct706012155331307
9132420616377184
1031200013300423
119a39940141a30
1235ba9313b0687
1314541c1702b16
1479c135577a99
153918b5c4049d
hex1c6051b5b2c7

31200013300423 has 16 divisors (see below), whose sum is σ = 34828385429376. Its totient is φ = 27703659947040.

The previous prime is 31200013300397. The next prime is 31200013300507. The reversal of 31200013300423 is 32400331000213.

It is not a de Polignac number, because 31200013300423 - 233 = 31191423365831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31200013300394 and 31200013300403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200013300123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38843961 + ... + 39639037.

It is an arithmetic number, because the mean of its divisors is an integer number (2176774089336).

Almost surely, 231200013300423 is an apocalyptic number.

31200013300423 is a deficient number, since it is larger than the sum of its proper divisors (3628372128953).

31200013300423 is a wasteful number, since it uses less digits than its factorization.

31200013300423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878094.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31200013300423 its reverse (32400331000213), we get a palindrome (63600344300636).

The spelling of 31200013300423 in words is "thirty-one trillion, two hundred billion, thirteen million, three hundred thousand, four hundred twenty-three".

Divisors: 1 11 43 473 82963 795077 912593 3567409 8745847 34188311 39241499 376071421 65961973151 725581704661 2836364845493 31200013300423