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111031313313131 = 674873402841439
BaseRepresentation
bin11001001111101101111101…
…111111010010110101101011
3112120010111020010111022220022
4121033231331333102311223
5104023114112202010011
61032051025311151055
732246514310163651
oct3117557577226553
9476114203438808
10111031313313131
113241812a86a772
121055274221548b
1349c5291a4b943
141d5bd30dbadd1
15cc82a50228db
hex64fb7dfd2d6b

111031313313131 has 8 divisors (see below), whose sum is σ = 112919890344960. Its totient is φ = 109149541965288.

The previous prime is 111031313313127. The next prime is 111031313313209. The reversal of 111031313313131 is 131313313130111.

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 111031313313131 - 22 = 111031313313127 is a prime.

It is a super-2 number, since 2×1110313133131312 (a number of 29 digits) contains 22 as substring.

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 111031313313131.

It is not an unprimeable number, because it can be changed into a prime (111031313313121) 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, 1701388091 + ... + 1701453348.

It is an arithmetic number, because the mean of its divisors is an integer number (14114986293120).

Almost surely, 2111031313313131 is an apocalyptic number.

111031313313131 is a deficient number, since it is larger than the sum of its proper divisors (1888577031829).

111031313313131 is an equidigital number, since it uses as much as digits as its factorization.

111031313313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402841993.

The product of its (nonzero) digits is 729, while the sum is 26.

Adding to 111031313313131 its reverse (131313313130111), we get a palindrome (242344626443242).

The spelling of 111031313313131 in words is "one hundred eleven trillion, thirty-one billion, three hundred thirteen million, three hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 67 487 32629 3402841439 227990376413 1657183780793 111031313313131