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101411431 = 112791032
BaseRepresentation
bin1100000101101…
…10101001100111
321001211020022221
412002312221213
5201430131211
614021333211
72340661102
oct602665147
9231736287
10101411431
1152275a00
1229b67207
1318019084
14d67b739
158d82c71
hex60b6a67

101411431 has 18 divisors (see below), whose sum is σ = 113986320. Its totient is φ = 90141480.

The previous prime is 101411399. The next prime is 101411461. The reversal of 101411431 is 134114101.

It is not a de Polignac number, because 101411431 - 25 = 101411399 is a prime.

It is a super-2 number, since 2×1014114312 = 20568556674935522, which 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 (101411461) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 984526 + ... + 984628.

Almost surely, 2101411431 is an apocalyptic number.

101411431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101411431 is a deficient number, since it is larger than the sum of its proper divisors (12574889).

101411431 is an equidigital number, since it uses as much as digits as its factorization.

101411431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 101411431 is about 10070.3242748186. The cubic root of 101411431 is about 466.3324498705.

Adding to 101411431 its reverse (134114101), we get a palindrome (235525532).

The spelling of 101411431 in words is "one hundred one million, four hundred eleven thousand, four hundred thirty-one".

Divisors: 1 11 79 103 121 869 1133 8137 9559 10609 12463 89507 116699 838111 984577 1283689 9219221 101411431