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131214130 = 2547279179
BaseRepresentation
bin1111101001000…
…10101100110010
3100010220100221121
413310202230302
5232042323010
621004212454
73152205325
oct764425462
9303810847
10131214130
1168081133
1237b3a12a
13212522c8
14135d87bc
15b7bd3da
hex7d22b32

131214130 has 16 divisors (see below), whose sum is σ = 241211520. Its totient is φ = 51368752.

The previous prime is 131214101. The next prime is 131214157. The reversal of 131214130 is 31412131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139120 + ... + 140059.

It is an arithmetic number, because the mean of its divisors is an integer number (15075720).

Almost surely, 2131214130 is an apocalyptic number.

131214130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131214130 is a deficient number, since it is larger than the sum of its proper divisors (109997390).

131214130 is a wasteful number, since it uses less digits than its factorization.

131214130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279233.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131214130 is about 11454.8736352698. The cubic root of 131214130 is about 508.1518781419.

Adding to 131214130 its reverse (31412131), we get a palindrome (162626261).

The spelling of 131214130 in words is "one hundred thirty-one million, two hundred fourteen thousand, one hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 279179 558358 1395895 2791790 13121413 26242826 65607065 131214130