Search a number
-
+
31301030223230 = 2553367376742719
BaseRepresentation
bin1110001110111110101101…
…10010011001110101111110
311002211100102121120222022012
413013133112302121311332
513100314002214120410
6150323254512051222
76410265465000065
oct707372662316576
9132740377528265
1031301030223230
119a787685aa1a9
123616423833b12
13146089cac6321
147a2d996ad1dc
153943293a0605
hex1c77d6c99d7e

31301030223230 has 64 divisors (see below), whose sum is σ = 57577953116160. Its totient is φ = 12247167214464.

The previous prime is 31301030223223. The next prime is 31301030223241. The reversal of 31301030223230 is 3232203010313.

It is a junction number, because it is equal to n+sod(n) for n = 31301030223196 and 31301030223205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732697811 + ... + 732740529.

It is an arithmetic number, because the mean of its divisors is an integer number (899655517440).

Almost surely, 231301030223230 is an apocalyptic number.

31301030223230 is a deficient number, since it is larger than the sum of its proper divisors (26276922892930).

31301030223230 is a wasteful number, since it uses less digits than its factorization.

31301030223230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46913.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31301030223230 its reverse (3232203010313), we get a palindrome (34533233233543).

The spelling of 31301030223230 in words is "thirty-one trillion, three hundred one billion, thirty million, two hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 53 106 265 367 530 734 1835 3670 3767 7534 18835 19451 37670 38902 42719 85438 97255 194510 199651 213595 399302 427190 998255 1382489 1996510 2264107 2764978 4528214 6912445 11320535 13824890 15677873 22641070 31355746 73271917 78389365 146543834 156778730 160922473 321844946 366359585 732719170 804612365 830927269 1609224730 1661854538 4154636345 8309272690 8528891069 17057782138 42644455345 59058547591 85288910690 118117095182 295292737955 590585475910 3130103022323 6260206044646 15650515111615 31301030223230