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31214121230112 = 253325147096147
BaseRepresentation
bin1110001100011100110101…
…00110111001111100100000
311002112001002202222200111020
413012032122212321330200
513042403010013330422
6150215322550445440
76401101010514312
oct706163246717440
9132461082880436
1031214121230112
119a4491a758357
12360160a063880
13145562c4a0902
1479cab31077b2
15391e3e59295c
hex1c639a9b9f20

31214121230112 has 24 divisors (see below), whose sum is σ = 81937068229296. Its totient is φ = 10404707076672.

The previous prime is 31214121230099. The next prime is 31214121230113. The reversal of 31214121230112 is 21103212141213.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (31214121230113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162573547978 + ... + 162573548169.

It is an arithmetic number, because the mean of its divisors is an integer number (3414044509554).

Almost surely, 231214121230112 is an apocalyptic number.

31214121230112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31214121230112 is an abundant number, since it is smaller than the sum of its proper divisors (50722946999184).

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

31214121230112 is a wasteful number, since it uses less digits than its factorization.

31214121230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325147096160 (or 325147096152 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 31214121230112 its reverse (21103212141213), we get a palindrome (52317333371325).

The spelling of 31214121230112 in words is "thirty-one trillion, two hundred fourteen billion, one hundred twenty-one million, two hundred thirty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 325147096147 650294192294 975441288441 1300588384588 1950882576882 2601176769176 3901765153764 5202353538352 7803530307528 10404707076704 15607060615056 31214121230112