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107271031 = 7107197727
BaseRepresentation
bin1100110010011…
…01001101110111
321110211221012011
412121031031313
5204430133111
614351105051
72441534350
oct631151567
9243757164
10107271031
115560834a
122bb12187
13192bb1aa
1410364d27
15963e021
hex664d377

107271031 has 16 divisors (see below), whose sum is σ = 124540416. Its totient is φ = 90500256.

The previous prime is 107270983. The next prime is 107271049. The reversal of 107271031 is 130172701.

It is not a de Polignac number, because 107271031 - 211 = 107268983 is a prime.

It is a super-2 number, since 2×1072710312 = 23014148183605922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107270993 and 107271011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107271431) 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, 147190 + ... + 147916.

It is an arithmetic number, because the mean of its divisors is an integer number (7783776).

Almost surely, 2107271031 is an apocalyptic number.

107271031 is a deficient number, since it is larger than the sum of its proper divisors (17269385).

107271031 is a wasteful number, since it uses less digits than its factorization.

107271031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 107271031 is about 10357.1729250795. The cubic root of 107271031 is about 475.1464457039.

The spelling of 107271031 in words is "one hundred seven million, two hundred seventy-one thousand, thirty-one".

Divisors: 1 7 107 197 727 749 1379 5089 21079 77789 143219 147553 544523 1002533 15324433 107271031