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131141100000421 = 71061115115340873
BaseRepresentation
bin11101110100010110101010…
…101011100101010010100101
3122012022222002201222101220101
4131310112222223211102211
5114142103433100003141
61142525220055104101
736423426465524230
oct3564265253452245
9565288081871811
10131141100000421
11388706a0121915
1212860035072031
135823725293924
142455397d72417
1510264333b7531
hex7745aaae54a5

131141100000421 has 16 divisors (see below), whose sum is σ = 150147147460608. Its totient is φ = 112203137808000.

The previous prime is 131141100000403. The next prime is 131141100000431. The reversal of 131141100000421 is 124000001141131.

It is a cyclic number.

It is not a de Polignac number, because 131141100000421 - 213 = 131141099992229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131141100000431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 878041 + ... + 16218913.

It is an arithmetic number, because the mean of its divisors is an integer number (9384196716288).

Almost surely, 2131141100000421 is an apocalyptic number.

It is an amenable number.

131141100000421 is a deficient number, since it is larger than the sum of its proper divisors (19006047460187).

131141100000421 is a wasteful number, since it uses less digits than its factorization.

131141100000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15343092.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 131141100000421 its reverse (124000001141131), we get a palindrome (255141101141552).

The spelling of 131141100000421 in words is "one hundred thirty-one trillion, one hundred forty-one billion, one hundred million, four hundred twenty-one", and thus it is an aban number.

Divisors: 1 7 1061 1151 7427 8057 1221211 8548477 15340873 107386111 16276666253 17657344823 113936663771 123601413761 18734442857203 131141100000421