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31030214012210 = 257620177147859
BaseRepresentation
bin1110000111000110010001…
…11000100010110100110010
311001212110101222010000220102
413003203020320202310302
513031344334241342320
6145555030012512402
76351600426121340
oct703431070426462
9131773358100812
1031030214012210
119983926943576
123591a43a7b702
1314411a122200a
14793c2842a990
1538c278d40175
hex1c38c8e22d32

31030214012210 has 32 divisors (see below), whose sum is σ = 63834621333120. Its totient is φ = 10638757481472.

The previous prime is 31030214012179. The next prime is 31030214012299. The reversal of 31030214012210 is 1221041203013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767261 + ... + 7915119.

It is an arithmetic number, because the mean of its divisors is an integer number (1994831916660).

Almost surely, 231030214012210 is an apocalyptic number.

31030214012210 is an abundant number, since it is smaller than the sum of its proper divisors (32804407320910).

31030214012210 is a wasteful number, since it uses less digits than its factorization.

31030214012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7209890.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31030214012210 its reverse (1221041203013), we get a palindrome (32251255215223).

The spelling of 31030214012210 in words is "thirty-one trillion, thirty billion, two hundred fourteen million, twelve thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 62017 124034 310085 434119 620170 868238 2170595 4341190 7147859 14295718 35739295 50035013 71478590 100070026 250175065 500350130 443288771603 886577543206 2216443858015 3103021401221 4432887716030 6206042802442 15515107006105 31030214012210