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31412412321 = 3191095055917
BaseRepresentation
bin11101010000010100…
…110101111110100001
310000002011222212211120
4131100110311332201
51003313034143241
622233005002453
72161300046013
oct352024657641
9100064885746
1031412412321
111235a540344
126107b53429
132c67b9b434
14173dc6c1b3
15c3cb21666
hex750535fa1

31412412321 has 16 divisors (see below), whose sum is σ = 44492078400. Its totient is φ = 19657401408.

The previous prime is 31412412307. The next prime is 31412412379. The reversal of 31412412321 is 12321421413.

It is not a de Polignac number, because 31412412321 - 25 = 31412412289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31412412291 and 31412412300.

It is not an unprimeable number, because it can be changed into a prime (31412412721) 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, 2521746 + ... + 2534171.

It is an arithmetic number, because the mean of its divisors is an integer number (2780754900).

Almost surely, 231412412321 is an apocalyptic number.

It is an amenable number.

31412412321 is a deficient number, since it is larger than the sum of its proper divisors (13079666079).

31412412321 is a wasteful number, since it uses less digits than its factorization.

31412412321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056048.

The product of its digits is 1152, while the sum is 24.

Adding to 31412412321 its reverse (12321421413), we get a palindrome (43733833734).

The spelling of 31412412321 in words is "thirty-one billion, four hundred twelve million, four hundred twelve thousand, three hundred twenty-one".

Divisors: 1 3 19 57 109 327 2071 6213 5055917 15167751 96062423 288187269 551094953 1653284859 10470804107 31412412321