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1031100143241 = 3766701736121
BaseRepresentation
bin11110000000100100101…
…10111001011010001001
310122120110010211101200010
433000102112321122021
5113343143114040431
62105403022302133
7134331423415410
oct17002226713211
93576403741603
101031100143241
11368318171913
12147a01427949
137630356186c
1437c96a2a477
151bc4bc53846
hexf0125b9689

1031100143241 has 16 divisors (see below), whose sum is σ = 1571225908608. Its totient is φ = 589190448000.

The previous prime is 1031100143197. The next prime is 1031100143327. The reversal of 1031100143241 is 1423410011301.

It is not a de Polignac number, because 1031100143241 - 27 = 1031100143113 is a prime.

It is a super-3 number, since 3×10311001432413 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1031100143741) 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, 1032661 + ... + 1768781.

It is an arithmetic number, because the mean of its divisors is an integer number (98201619288).

Almost surely, 21031100143241 is an apocalyptic number.

It is an amenable number.

1031100143241 is a deficient number, since it is larger than the sum of its proper divisors (540125765367).

1031100143241 is an equidigital number, since it uses as much as digits as its factorization.

1031100143241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802832.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1031100143241 its reverse (1423410011301), we get a palindrome (2454510154542).

The spelling of 1031100143241 in words is "one trillion, thirty-one billion, one hundred million, one hundred forty-three thousand, two hundred forty-one".

Divisors: 1 3 7 21 66701 200103 466907 736121 1400721 2208363 5152847 15458541 49100006821 147300020463 343700047747 1031100143241