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131031033444100 = 22521310310334441
BaseRepresentation
bin11101110010110000001010…
…001100111111011100000100
3122011221110000000100000102101
4131302300022030333130010
5114133303024030202400
61142402454210521444
736412452105322066
oct3562601214773404
9564843000300371
10131031033444100
1138828a49452a89
1212842837b96284
1358162340627aa
14244dd15dc5736
15102364052456a
hex772c0a33f704

131031033444100 has 18 divisors (see below), whose sum is σ = 284337342573914. Its totient is φ = 52412413377600.

The previous prime is 131031033444097. The next prime is 131031033444109. The reversal of 131031033444100 is 1444330130131.

It can be written as a sum of positive squares in 3 ways, for example, as 104758384896 + 130926275059204 = 323664^2 + 11442302^2 .

It is not an unprimeable number, because it can be changed into a prime (131031033444109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 655155167121 + ... + 655155167320.

Almost surely, 2131031033444100 is an apocalyptic number.

131031033444100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131031033444100 is an abundant number, since it is smaller than the sum of its proper divisors (153306309129814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131031033444100 is a wasteful number, since it uses less digits than its factorization.

131031033444100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310310334455 (or 1310310334448 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 131031033444100 its reverse (1444330130131), we get a palindrome (132475363574231).

The spelling of 131031033444100 in words is "one hundred thirty-one trillion, thirty-one billion, thirty-three million, four hundred forty-four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1310310334441 2620620668882 5241241337764 6551551672205 13103103344410 26206206688820 32757758361025 65515516722050 131031033444100