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131003123011 = 2337315270209
BaseRepresentation
bin111101000000001100…
…1010000010101000011
3110112010211111011200221
41322000121100111003
54121243244414021
6140103151323511
712315244113145
oct1720031202503
9415124434627
10131003123011
1150615936312
1221480820597
13c479966347
1464aa7cac95
15361ae60241
hex1e80650543

131003123011 has 8 divisors (see below), whose sum is σ = 137065404960. Its totient is φ = 124971382272.

The previous prime is 131003122997. The next prime is 131003123021. The reversal of 131003123011 is 110321300131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131003123011 is a prime.

It is a super-2 number, since 2×1310031230112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131003123021) 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, 7626526 + ... + 7643683.

It is an arithmetic number, because the mean of its divisors is an integer number (17133175620).

Almost surely, 2131003123011 is an apocalyptic number.

131003123011 is a deficient number, since it is larger than the sum of its proper divisors (6062281949).

131003123011 is a wasteful number, since it uses less digits than its factorization.

131003123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15270605.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 131003123011 its reverse (110321300131), we get a palindrome (241324423142).

The spelling of 131003123011 in words is "one hundred thirty-one billion, three million, one hundred twenty-three thousand, eleven".

Divisors: 1 23 373 8579 15270209 351214807 5695787957 131003123011