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31222021414 = 227195741453
BaseRepresentation
bin11101000100111110…
…100011110100100110
32222120220202000121111
4131010332203310212
51002420314141124
622202044135234
72153465542333
oct350476436446
988526660544
1031222021414
1112272020891
12607423751a
132c375c9aac
14172286b98a
15c2b064494
hex744fa3d26

31222021414 has 8 divisors (see below), whose sum is σ = 46850264640. Its totient is φ = 15605266536.

The previous prime is 31222021409. The next prime is 31222021423. The reversal of 31222021414 is 41412022213.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2865289 + ... + 2876164.

It is an arithmetic number, because the mean of its divisors is an integer number (5856283080).

Almost surely, 231222021414 is an apocalyptic number.

31222021414 is a deficient number, since it is larger than the sum of its proper divisors (15628243226).

31222021414 is a wasteful number, since it uses less digits than its factorization.

31222021414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744174.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 31222021414 its reverse (41412022213), we get a palindrome (72634043627).

The spelling of 31222021414 in words is "thirty-one billion, two hundred twenty-two million, twenty-one thousand, four hundred fourteen".

Divisors: 1 2 2719 5438 5741453 11482906 15611010707 31222021414