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131083802 = 2181136191
BaseRepresentation
bin1111101000000…
…10111000011010
3100010122202011122
413310002320122
5232024140202
621001325242
73151123343
oct764027032
9303582148
10131083802
1167aa2223
1237a96822
1321207ba5
14135a30ca
15b7949a2
hex7d02e1a

131083802 has 8 divisors (see below), whose sum is σ = 196739712. Its totient is φ = 65503900.

The previous prime is 131083801. The next prime is 131083819. The reversal of 131083802 is 208380131.

131083802 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×1310838023 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131083801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14474 + ... + 21717.

It is an arithmetic number, because the mean of its divisors is an integer number (24592464).

Almost surely, 2131083802 is an apocalyptic number.

131083802 is a deficient number, since it is larger than the sum of its proper divisors (65655910).

131083802 is a wasteful number, since it uses less digits than its factorization.

131083802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38004.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 131083802 is about 11449.1834643349. The cubic root of 131083802 is about 507.9835823532.

The spelling of 131083802 in words is "one hundred thirty-one million, eighty-three thousand, eight hundred two".

Divisors: 1 2 1811 3622 36191 72382 65541901 131083802