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131101144310021 = 3116831251266661
BaseRepresentation
bin11101110011110001011101…
…001000101110000100000101
3122012012010222011022000202012
4131303301131020232010011
5114140430120420410041
61142455011222024005
736420513400001024
oct3563613510560405
9565163864260665
10131101144310021
1138855757188286
1212854343b78005
13581ca28456682
14245348761a8bb
1510253957343eb
hex773c5d22e105

131101144310021 has 8 divisors (see below), whose sum is σ = 135338254553088. Its totient is φ = 126864536634000.

The previous prime is 131101144309847. The next prime is 131101144310023. The reversal of 131101144310021 is 120013441101131.

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 131101144310021 - 246 = 60732400132357 is a prime.

It is a super-2 number, since 2×1311011443100212 (a number of 29 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 (131101144310023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125111570 + ... + 126155091.

It is an arithmetic number, because the mean of its divisors is an integer number (16917281819136).

Almost surely, 2131101144310021 is an apocalyptic number.

It is an amenable number.

131101144310021 is a deficient number, since it is larger than the sum of its proper divisors (4237110243067).

131101144310021 is a wasteful number, since it uses less digits than its factorization.

131101144310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251283523.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 131101144310021 its reverse (120013441101131), we get a palindrome (251114585411152).

The spelling of 131101144310021 in words is "one hundred thirty-one trillion, one hundred one billion, one hundred forty-four million, three hundred ten thousand, twenty-one".

Divisors: 1 31 16831 521761 251266661 7789266491 4229069171291 131101144310021