Search a number
-
+
31030211001303 = 3229127936139349
BaseRepresentation
bin1110000111000110010001…
…01101000011101111010111
311001212110101202110001201100
413003203020231003233113
513031344333004020203
6145555025424201143
76351600361411233
oct703431055035727
9131773352401640
1031030211001303
119983925177418
123591a42a691b3
1314411a0709707
14793c27c855c3
1538c278947ea3
hex1c38c8b43bd7

31030211001303 has 24 divisors (see below), whose sum is σ = 46732076352000. Its totient is φ = 19816197718464.

The previous prime is 31030211001241. The next prime is 31030211001323. The reversal of 31030211001303 is 30310011203013.

It is a happy number.

31030211001303 is a `hidden beast` number, since 310 + 30 + 21 + 1 + 0 + 0 + 1 + 303 = 666.

It is not a de Polignac number, because 31030211001303 - 224 = 31030194224087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030211001323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468036528 + ... + 468102821.

It is an arithmetic number, because the mean of its divisors is an integer number (1947169848000).

Almost surely, 231030211001303 is an apocalyptic number.

31030211001303 is a deficient number, since it is larger than the sum of its proper divisors (15701865350697).

31030211001303 is a wasteful number, since it uses less digits than its factorization.

31030211001303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936139511 (or 936139508 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 31030211001303 its reverse (30310011203013), we get a palindrome (61340222204316).

The spelling of 31030211001303 in words is "thirty-one trillion, thirty billion, two hundred eleven million, one thousand, three hundred three".

Divisors: 1 3 9 29 87 127 261 381 1143 3683 11049 33147 936139349 2808418047 8425254141 27148041121 81444123363 118889697323 244332370089 356669091969 1070007275907 3447801222367 10343403667101 31030211001303