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131133052 = 22181181123
BaseRepresentation
bin1111101000011…
…10111001111100
3100010202020201201
413310032321330
5232032224202
621002345244
73151420051
oct764167174
9303666651
10131133052
1168026226
1237abb224
132122442b
14135b7028
15b7a4387
hex7d0ee7c

131133052 has 12 divisors (see below), whose sum is σ = 230751976. Its totient is φ = 65203920.

The previous prime is 131133049. The next prime is 131133061. The reversal of 131133052 is 250331131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89838 + ... + 91285.

Almost surely, 2131133052 is an apocalyptic number.

It is an amenable number.

131133052 is a deficient number, since it is larger than the sum of its proper divisors (99618924).

131133052 is a wasteful number, since it uses less digits than its factorization.

131133052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181308 (or 181306 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 131133052 is about 11451.3340707535. The cubic root of 131133052 is about 508.0471932100.

Adding to 131133052 its reverse (250331131), we get a palindrome (381464183).

The spelling of 131133052 in words is "one hundred thirty-one million, one hundred thirty-three thousand, fifty-two".

Divisors: 1 2 4 181 362 724 181123 362246 724492 32783263 65566526 131133052