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31422000302 = 27111046319501
BaseRepresentation
bin11101010000111001…
…011010110010101110
310000002212001000001222
4131100321122302232
51003323013002202
622233550303342
72161444411220
oct352071326256
9100085030058
1031422000302
11123649999a0
12610b1b7b52
132c69b775b4
141741246410
15c3d8b74a2
hex750e5acae

31422000302 has 32 divisors (see below), whose sum is σ = 58771851264. Its totient is φ = 12240540000.

The previous prime is 31422000289. The next prime is 31422000307. The reversal of 31422000302 is 20300022413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422000307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1601552 + ... + 1621052.

It is an arithmetic number, because the mean of its divisors is an integer number (1836620352).

Almost surely, 231422000302 is an apocalyptic number.

31422000302 is a deficient number, since it is larger than the sum of its proper divisors (27349850962).

31422000302 is a wasteful number, since it uses less digits than its factorization.

31422000302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29984.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 31422000302 its reverse (20300022413), we get a palindrome (51722022715).

The spelling of 31422000302 in words is "thirty-one billion, four hundred twenty-two million, three hundred two", and thus it is an aban number.

Divisors: 1 2 7 11 14 22 77 154 10463 19501 20926 39002 73241 115093 136507 146482 214511 230186 273014 429022 805651 1501577 1611302 3003154 204038963 408077926 1428272741 2244428593 2856545482 4488857186 15711000151 31422000302