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31234115130141 = 37114123891380439
BaseRepresentation
bin1110001101000010000100…
…10101100101001100011101
311002120221201012001001011010
413012201002111211030131
513043214431433131031
6150232430541245433
76402406330044120
oct706410225451435
9132527635031133
1031234115130141
119a5234a7a0380
123605469b63879
131457497820ba1
1479da4c6823b7
1539270ea06246
hex1c684256531d

31234115130141 has 64 divisors (see below), whose sum is σ = 53210329804800. Its totient is φ = 15823132531200.

The previous prime is 31234115130109. The next prime is 31234115130143. The reversal of 31234115130141 is 14103151143213.

It is a happy number.

It is not a de Polignac number, because 31234115130141 - 25 = 31234115130109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31234115130099 and 31234115130108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234115130143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21936000 + ... + 23316438.

It is an arithmetic number, because the mean of its divisors is an integer number (831411403200).

Almost surely, 231234115130141 is an apocalyptic number.

It is an amenable number.

31234115130141 is a deficient number, since it is larger than the sum of its proper divisors (21976214674659).

31234115130141 is a wasteful number, since it uses less digits than its factorization.

31234115130141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382890.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 31234115130141 its reverse (14103151143213), we get a palindrome (45337266273354).

The spelling of 31234115130141 in words is "thirty-one trillion, two hundred thirty-four billion, one hundred fifteen million, one hundred thirty thousand, one hundred forty-one".

Divisors: 1 3 7 11 21 33 41 77 123 231 287 451 861 1353 2389 3157 7167 9471 16723 26279 50169 78837 97949 183953 293847 551859 685643 1077439 1380439 2056929 3232317 4141317 7542073 9663073 15184829 22626219 28989219 45554487 56597999 106293803 169793997 318881409 396185993 622577989 1188557979 1867733967 3297868771 4358045923 9893606313 13074137769 23085081397 36276556481 69255244191 108829669443 135212619611 253935895367 405637858833 761807686101 946488337277 1487338815721 2839465011831 4462016447163 10411371710047 31234115130141