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31412243211 = 3190721292579
BaseRepresentation
bin11101010000010100…
…001100101100001011
310000002011200021212020
4131100110030230023
51003313013240321
622233001215523
72161265442666
oct352024145413
9100064607766
1031412243211
111235a435288
126107a915a3
132c67b3c47b
14173dc266dd
15c3cadb4c6
hex75050cb0b

31412243211 has 16 divisors (see below), whose sum is σ = 41940892800. Its totient is φ = 20912571008.

The previous prime is 31412243201. The next prime is 31412243243. The reversal of 31412243211 is 11234221413.

It is a cyclic number.

It is not a de Polignac number, because 31412243211 - 26 = 31412243147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31412243201) 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, 12178720 + ... + 12181298.

It is an arithmetic number, because the mean of its divisors is an integer number (2621305800).

Almost surely, 231412243211 is an apocalyptic number.

31412243211 is a deficient number, since it is larger than the sum of its proper divisors (10528649589).

31412243211 is a wasteful number, since it uses less digits than its factorization.

31412243211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6618.

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

Adding to 31412243211 its reverse (11234221413), we get a palindrome (42646464624).

The spelling of 31412243211 in words is "thirty-one billion, four hundred twelve million, two hundred forty-three thousand, two hundred eleven".

Divisors: 1 3 1907 2129 2579 5721 6387 7737 4060003 4918153 5490691 12180009 14754459 16472073 10470747737 31412243211