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31231322313214 = 254493286562699
BaseRepresentation
bin1110001100111100110111…
…10111110101000111111110
311002120200111112212020120011
413012132123313311013332
513043143222003010324
6150231245453413434
76402250165353532
oct706363367650776
9132520445766504
1031231322313214
119a51147279711
123604a0a79a27a
13145714103a2aa
1479d8657abbc2
153925e9739c94
hex1c679bdf51fe

31231322313214 has 8 divisors (see below), whose sum is σ = 46847843321400. Its totient is φ = 15615374539416.

The previous prime is 31231322313197. The next prime is 31231322313227. The reversal of 31231322313214 is 41231322313213.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143172364 + ... + 143390335.

It is an arithmetic number, because the mean of its divisors is an integer number (5855980415175).

Almost surely, 231231322313214 is an apocalyptic number.

31231322313214 is a deficient number, since it is larger than the sum of its proper divisors (15616521008186).

31231322313214 is a wasteful number, since it uses less digits than its factorization.

31231322313214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286617194.

The product of its digits is 15552, while the sum is 31.

Adding to 31231322313214 its reverse (41231322313213), we get a palindrome (72462644626427).

Subtracting 31231322313214 from its reverse (41231322313213), we obtain a palindrome (9999999999999).

The spelling of 31231322313214 in words is "thirty-one trillion, two hundred thirty-one billion, three hundred twenty-two million, three hundred thirteen thousand, two hundred fourteen".

Divisors: 1 2 54493 108986 286562699 573125398 15615661156607 31231322313214