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131002234 = 2115954647
BaseRepresentation
bin1111100111011…
…10111101111010
3100010111121021121
413303232331322
5232014032414
620555455454
73150333466
oct763567572
9303447247
10131002234
1167a46a10
1237a5758a
13211a9a1c
14135814a6
15b77a724
hex7ceef7a

131002234 has 8 divisors (see below), whose sum is σ = 214367328. Its totient is φ = 59546460.

The previous prime is 131002231. The next prime is 131002247. The reversal of 131002234 is 432200131.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (131002231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2977302 + ... + 2977345.

It is an arithmetic number, because the mean of its divisors is an integer number (26795916).

Almost surely, 2131002234 is an apocalyptic number.

131002234 is a deficient number, since it is larger than the sum of its proper divisors (83365094).

131002234 is a wasteful number, since it uses less digits than its factorization.

131002234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954660.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 131002234 is about 11445.6207345867. The cubic root of 131002234 is about 507.8781948031.

Adding to 131002234 its reverse (432200131), we get a palindrome (563202365).

The spelling of 131002234 in words is "one hundred thirty-one million, two thousand, two hundred thirty-four".

Divisors: 1 2 11 22 5954647 11909294 65501117 131002234