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31023322001212 = 2242313425953507
BaseRepresentation
bin1110000110111001011100…
…00101100110111100111100
311001211210121122120121011211
413003130232011212330330
513031241230413014322
6145551530053054204
76351234561026662
oct703345605467474
9131753548517154
1031023322001212
119980a0a547712
12359063b927364
1314406433c8cb8
14793772d80c32
1538bec3c57b77
hex1c372e166f3c

31023322001212 has 24 divisors (see below), whose sum is σ = 54306245185920. Its totient is φ = 15507252316080.

The previous prime is 31023322001209. The next prime is 31023322001233. The reversal of 31023322001212 is 21210022332013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579772563 + ... + 579826069.

It is an arithmetic number, because the mean of its divisors is an integer number (2262760216080).

Almost surely, 231023322001212 is an apocalyptic number.

It is an amenable number.

31023322001212 is a deficient number, since it is larger than the sum of its proper divisors (23282923184708).

31023322001212 is a wasteful number, since it uses less digits than its factorization.

31023322001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92001 (or 91999 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31023322001212 its reverse (21210022332013), we get a palindrome (52233344333225).

The spelling of 31023322001212 in words is "thirty-one trillion, twenty-three billion, three hundred twenty-two million, one thousand, two hundred twelve".

Divisors: 1 2 4 4231 8462 16924 34259 53507 68518 107014 137036 214028 144949829 226388117 289899658 452776234 579799316 905552468 1833096313 3666192626 7332385252 7755830500303 15511661000606 31023322001212