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31414224331 = 72641106619
BaseRepresentation
bin11101010000011011…
…110000010111001011
310000002022101221110001
4131100123300113023
51003314020134311
622233111503431
72161321333600
oct352033602713
9100068357401
1031414224331
1112360568776
126108687b77
132c68384129
1417401c06a7
15c3cd7d4c1
hex7506f05cb

31414224331 has 6 divisors (see below), whose sum is σ = 36543077340. Its totient is φ = 26926477956.

The previous prime is 31414224287. The next prime is 31414224341. The reversal of 31414224331 is 13342241413.

It is a happy number.

It is not a de Polignac number, because 31414224331 - 211 = 31414222283 is a prime.

It is a super-2 number, since 2×314142243312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31414224331.

It is not an unprimeable number, because it can be changed into a prime (31414224341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320553261 + ... + 320553358.

It is an arithmetic number, because the mean of its divisors is an integer number (6090512890).

Almost surely, 231414224331 is an apocalyptic number.

31414224331 is a deficient number, since it is larger than the sum of its proper divisors (5128853009).

31414224331 is an equidigital number, since it uses as much as digits as its factorization.

31414224331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641106633 (or 641106626 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 31414224331 its reverse (13342241413), we get a palindrome (44756465744).

The spelling of 31414224331 in words is "thirty-one billion, four hundred fourteen million, two hundred twenty-four thousand, three hundred thirty-one".

Divisors: 1 7 49 641106619 4487746333 31414224331