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31222441110421 = 113191561410881
BaseRepresentation
bin1110001100101100010101…
…00000101110101110010101
311002112211120121022101200101
413012112022200232232111
513043022024411013141
6150223220314414101
76401514124364161
oct706261240565625
9132484517271611
1031222441110421
119a483aa0485a0
123603150431331
131456357082602
1479d26207bca1
15392279bc7531
hex1c658a82eb95

31222441110421 has 8 divisors (see below), whose sum is σ = 35159581778688. Its totient is φ = 27468423264000.

The previous prime is 31222441110397. The next prime is 31222441110451. The reversal of 31222441110421 is 12401114422213.

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

It is a cyclic number.

It is not a de Polignac number, because 31222441110421 - 219 = 31222440586133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31222441110421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31222441110451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45780705100 + ... + 45780705781.

It is an arithmetic number, because the mean of its divisors is an integer number (4394947722336).

Almost surely, 231222441110421 is an apocalyptic number.

31222441110421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31222441110421 is a deficient number, since it is larger than the sum of its proper divisors (3937140668267).

31222441110421 is a wasteful number, since it uses less digits than its factorization.

31222441110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91561410923.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 31222441110421 its reverse (12401114422213), we get a palindrome (43623555532634).

The spelling of 31222441110421 in words is "thirty-one trillion, two hundred twenty-two billion, four hundred forty-one million, one hundred ten thousand, four hundred twenty-one".

Divisors: 1 11 31 341 91561410881 1007175519691 2838403737311 31222441110421