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131102130 = 23517594357
BaseRepresentation
bin1111101000001…
…11010110110010
3100010200200022110
413310013112302
5232030232010
621001550150
73151230645
oct764072662
9303620273
10131102130
1168004a75
1237aa5356
1321213333
14135a9a5c
15b79a120
hex7d075b2

131102130 has 64 divisors (see below), whose sum is σ = 338878080. Its totient is φ = 32338944.

The previous prime is 131102089. The next prime is 131102177. The reversal of 131102130 is 31201131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27912 + ... + 32268.

It is an arithmetic number, because the mean of its divisors is an integer number (5294970).

Almost surely, 2131102130 is an apocalyptic number.

131102130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131102130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169439040).

131102130 is an abundant number, since it is smaller than the sum of its proper divisors (207775950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131102130 is a wasteful number, since it uses less digits than its factorization.

131102130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 131102130 is about 11449.9838427834. The cubic root of 131102130 is about 508.0072564942.

Adding to 131102130 its reverse (31201131), we get a palindrome (162303261).

Subtracting from 131102130 its reverse (31201131), we obtain a palindrome (99900999).

The spelling of 131102130 in words is "one hundred thirty-one million, one hundred two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 59 85 102 118 170 177 255 295 354 510 590 885 1003 1770 2006 3009 4357 5015 6018 8714 10030 13071 15045 21785 26142 30090 43570 65355 74069 130710 148138 222207 257063 370345 444414 514126 740690 771189 1111035 1285315 1542378 2222070 2570630 3855945 4370071 7711890 8740142 13110213 21850355 26220426 43700710 65551065 131102130