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31430410102 = 2713230743271
BaseRepresentation
bin11101010001011001…
…011111111101110110
310000010102212021011001
4131101121133331312
51003332141110402
622234450433514
72161606035460
oct352131377566
9100112767131
1031430410102
1112369713343
126111b9289a
132c6b830400
1417423d5130
15c3e4c9187
hex75165ff76

31430410102 has 48 divisors (see below), whose sum is σ = 58535592192. Its totient is φ = 12393220320.

The previous prime is 31430410073. The next prime is 31430410103. The reversal of 31430410102 is 20101403413.

It is a self number, because there is not a number n which added to its sum of digits gives 31430410102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31430410103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 704727 + ... + 747997.

It is an arithmetic number, because the mean of its divisors is an integer number (1219491504).

Almost surely, 231430410102 is an apocalyptic number.

31430410102 is a deficient number, since it is larger than the sum of its proper divisors (27105182090).

31430410102 is a wasteful number, since it uses less digits than its factorization.

31430410102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43613 (or 43600 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31430410102 its reverse (20101403413), we get a palindrome (51531813515).

The spelling of 31430410102 in words is "thirty-one billion, four hundred thirty million, four hundred ten thousand, one hundred two".

Divisors: 1 2 7 13 14 26 91 169 182 307 338 614 1183 2149 2366 3991 4298 7982 27937 43271 51883 55874 86542 103766 302897 363181 562523 605794 726362 1125046 3937661 7312799 7875322 13284197 14625598 26568394 51189593 92989379 102379186 172694561 185978758 345389122 1208861927 2245029293 2417723854 4490058586 15715205051 31430410102