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131333012 = 221571631283
BaseRepresentation
bin1111101001111…
…11101110010100
3100011010102000122
413310333232110
5232110124022
621010531112
73153212036
oct764775624
9304112018
10131333012
1168152488
1237b96a98
1321294455
1413629c56
15b7e3742
hex7d3fb94

131333012 has 24 divisors (see below), whose sum is σ = 232897056. Its totient is φ = 64797408.

The previous prime is 131333011. The next prime is 131333029. The reversal of 131333012 is 210333131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131333011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101723 + ... + 103005.

It is an arithmetic number, because the mean of its divisors is an integer number (9704044).

Almost surely, 2131333012 is an apocalyptic number.

It is an amenable number.

131333012 is a deficient number, since it is larger than the sum of its proper divisors (101564044).

131333012 is a wasteful number, since it uses less digits than its factorization.

131333012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607 (or 1605 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 131333012 is about 11460.0616054191. The cubic root of 131333012 is about 508.3052962649.

Adding to 131333012 its reverse (210333131), we get a palindrome (341666143).

The spelling of 131333012 in words is "one hundred thirty-one million, three hundred thirty-three thousand, twelve".

Divisors: 1 2 4 157 163 314 326 628 652 1283 2566 5132 25591 51182 102364 201431 209129 402862 418258 805724 836516 32833253 65666506 131333012