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31332103020120 = 23357215733940057
BaseRepresentation
bin1110001111111000100101…
…10111101101111001011000
311002221022122010112121100110
413013330102313231321120
513101321121333120440
6150345434110004320
76412445502262500
oct707742267557130
9132838563477313
1031332103020120
119a8a963368431
123620455aa66a0
1314637b2506186
147a46a63b4a00
1539504728a080
hex1c7f12dede58

31332103020120 has 192 divisors, whose sum is σ = 110039098445280. Its totient is φ = 7116007901184.

The previous prime is 31332103020103. The next prime is 31332103020133. The reversal of 31332103020120 is 2102030123313.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16046869 + ... + 17893188.

Almost surely, 231332103020120 is an apocalyptic number.

31332103020120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31332103020120 is an abundant number, since it is smaller than the sum of its proper divisors (78706995425160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31332103020120 is a wasteful number, since it uses less digits than its factorization.

31332103020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33940242 (or 33940231 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31332103020120 its reverse (2102030123313), we get a palindrome (33434133143433).

The spelling of 31332103020120 in words is "thirty-one trillion, three hundred thirty-two billion, one hundred three million, twenty thousand, one hundred twenty".