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131110101103 = 196900531637
BaseRepresentation
bin111101000011011000…
…1010110000001101111
3110112102021210020001111
41322012301112001233
54122003141213403
6140121532252451
712321013320502
oct1720661260157
9415367706044
10131110101103
1150670263563
12214b0611127
13c495b810a7
1464baab7139
15362554256d
hex1e86c5606f

131110101103 has 4 divisors (see below), whose sum is σ = 138010632760. Its totient is φ = 124209569448.

The previous prime is 131110101061. The next prime is 131110101121. The reversal of 131110101103 is 301101011131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301101011131 = 1312298481001.

It is a cyclic number.

It is not a de Polignac number, because 131110101103 - 221 = 131108003951 is a prime.

It is a super-2 number, since 2×1311101011032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131110101173) by changing a digit.

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, 3450265800 + ... + 3450265837.

It is an arithmetic number, because the mean of its divisors is an integer number (34502658190).

Almost surely, 2131110101103 is an apocalyptic number.

131110101103 is a deficient number, since it is larger than the sum of its proper divisors (6900531657).

131110101103 is an equidigital number, since it uses as much as digits as its factorization.

131110101103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900531656.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 131110101103 its reverse (301101011131), we get a palindrome (432211112234).

The spelling of 131110101103 in words is "one hundred thirty-one billion, one hundred ten million, one hundred one thousand, one hundred three".

Divisors: 1 19 6900531637 131110101103