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31212000102022 = 215606000051011
BaseRepresentation
bin1110001100011000111000…
…01011011100011010000110
311002111211121221201012202121
413012030130023130122012
513042334134011231042
6150214332255400154
76400664313312355
oct706143413343206
9132454557635677
1031212000102022
119a43a313a9433
12360111782305a
131455381bc602c
1479c95151b99c
15391d68255367
hex1c631c2dc686

31212000102022 has 4 divisors (see below), whose sum is σ = 46818000153036. Its totient is φ = 15606000051010.

The previous prime is 31212000102013. The next prime is 31212000102047. The reversal of 31212000102022 is 22020100021213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 31212000101987 and 31212000102005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7803000025504 + ... + 7803000025507.

It is an arithmetic number, because the mean of its divisors is an integer number (11704500038259).

Almost surely, 231212000102022 is an apocalyptic number.

31212000102022 is a deficient number, since it is larger than the sum of its proper divisors (15606000051014).

31212000102022 is a wasteful number, since it uses less digits than its factorization.

31212000102022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15606000051013.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31212000102022 its reverse (22020100021213), we get a palindrome (53232100123235).

The spelling of 31212000102022 in words is "thirty-one trillion, two hundred twelve billion, one hundred two thousand, twenty-two".

Divisors: 1 2 15606000051011 31212000102022