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31214401011243 = 3231111879573517
BaseRepresentation
bin1110001100011101010110…
…10010001011111000101011
311002112001211021110001001100
413012032223102023320223
513042404043124324433
6150215410423252443
76401110645563612
oct706165322137053
9132461737401040
1031214401011243
119a44a5368202a
1236016878aa123
13145567543c788
1479cadc336879
15391e58e0ab13
hex1c63ab48be2b

31214401011243 has 12 divisors (see below), whose sum is σ = 46541902583488. Its totient is φ = 20138323232880.

The previous prime is 31214401011217. The next prime is 31214401011271. The reversal of 31214401011243 is 34211010441213.

It is a happy number.

31214401011243 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 4 + 401 + 0 + 11 + 243 = 666.

It is not a de Polignac number, because 31214401011243 - 217 = 31214400880171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31214401011743) 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, 55939786480 + ... + 55939787037.

Almost surely, 231214401011243 is an apocalyptic number.

31214401011243 is a deficient number, since it is larger than the sum of its proper divisors (15327501572245).

31214401011243 is a wasteful number, since it uses less digits than its factorization.

31214401011243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111879573554 (or 111879573551 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 31214401011243 its reverse (34211010441213), we get a palindrome (65425411452456).

The spelling of 31214401011243 in words is "thirty-one trillion, two hundred fourteen billion, four hundred one million, eleven thousand, two hundred forty-three".

Divisors: 1 3 9 31 93 279 111879573517 335638720551 1006916161653 3468266779027 10404800337081 31214401011243