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103141731 = 3711240591
BaseRepresentation
bin1100010010111…
…01000101100011
321012002010212010
412021131011203
5202401013411
614122404003
72361455520
oct611350543
9235063763
10103141731
1153247a00
122a660603
13184a3814
14d9ac147
1590c57a6
hex625d163

103141731 has 24 divisors (see below), whose sum is σ = 172759552. Its totient is φ = 53578800.

The previous prime is 103141723. The next prime is 103141739. The reversal of 103141731 is 137141301.

It is an interprime number because it is at equal distance from previous prime (103141723) and next prime (103141739).

It is not a de Polignac number, because 103141731 - 23 = 103141723 is a prime.

It is a super-2 number, since 2×1031417312 = 21276433347352722, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 103141698 and 103141707.

It is not an unprimeable number, because it can be changed into a prime (103141739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17755 + ... + 22836.

Almost surely, 2103141731 is an apocalyptic number.

103141731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103141731 is a deficient number, since it is larger than the sum of its proper divisors (69617821).

103141731 is a wasteful number, since it uses less digits than its factorization.

103141731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40623 (or 40612 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 103141731 is about 10155.8717498795. The cubic root of 103141731 is about 468.9697229815.

The spelling of 103141731 in words is "one hundred three million, one hundred forty-one thousand, seven hundred thirty-one".

Divisors: 1 3 7 11 21 33 77 121 231 363 847 2541 40591 121773 284137 446501 852411 1339503 3125507 4911511 9376521 14734533 34380577 103141731