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31040153162112 = 27380833732193
BaseRepresentation
bin1110000111011000110010…
…10011011001000110000000
311001220102001122101011101110
413003230121103121012000
513032030213202141422
6150003352143203320
76352401634365633
oct703543123310600
9131812048334343
1031040153162112
119988067276a46
1235939585a6540
1314420c64255c3
147944cc46dc1a
1538c65b6cd60c
hex1c3b194d9180

31040153162112 has 32 divisors (see below), whose sum is σ = 82450406837880. Its totient is φ = 10346717720576.

The previous prime is 31040153162059. The next prime is 31040153162149. The reversal of 31040153162112 is 21126135104013.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×310401531621123 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 31040153162112.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40416865713 + ... + 40416866480.

Almost surely, 231040153162112 is an apocalyptic number.

31040153162112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31040153162112 is an abundant number, since it is smaller than the sum of its proper divisors (51410253675768).

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

31040153162112 is an equidigital number, since it uses as much as digits as its factorization.

31040153162112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80833732210 (or 80833732198 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 31040153162112 its reverse (21126135104013), we get a palindrome (52166288266125).

The spelling of 31040153162112 in words is "thirty-one trillion, forty billion, one hundred fifty-three million, one hundred sixty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 80833732193 161667464386 242501196579 323334928772 485002393158 646669857544 970004786316 1293339715088 1940009572632 2586679430176 3880019145264 5173358860352 7760038290528 10346717720704 15520076581056 31040153162112