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131214115 = 546395657
BaseRepresentation
bin1111101001000…
…10101100100011
3100010220100221001
413310202230203
5232042322430
621004212431
73152205304
oct764425443
9303810831
10131214115
116808111a
1237b3a117
13212522b6
14135d87ab
15b7bd3ca
hex7d22b23

131214115 has 8 divisors (see below), whose sum is σ = 157518720. Its totient is φ = 104930112.

The previous prime is 131214101. The next prime is 131214157. The reversal of 131214115 is 511412131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131214115 - 213 = 131205923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131214092 and 131214101.

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, 20367 + ... + 26023.

It is an arithmetic number, because the mean of its divisors is an integer number (19689840).

Almost surely, 2131214115 is an apocalyptic number.

131214115 is a deficient number, since it is larger than the sum of its proper divisors (26304605).

131214115 is an equidigital number, since it uses as much as digits as its factorization.

131214115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10301.

The product of its digits is 120, while the sum is 19.

The square root of 131214115 is about 11454.8729805267. The cubic root of 131214115 is about 508.1518587784.

Adding to 131214115 its reverse (511412131), we get a palindrome (642626246).

The spelling of 131214115 in words is "one hundred thirty-one million, two hundred fourteen thousand, one hundred fifteen".

Divisors: 1 5 4639 5657 23195 28285 26242823 131214115