Base | Representation |
---|---|
bin | 11101110010110000011010… |
… | …110001000011001101101000 |
3 | 122011221110201101020012020020 |
4 | 131302300122301003031220 |
5 | 114133304111200112300 |
6 | 1142402541535000440 |
7 | 36412462021325346 |
oct | 3562603261031550 |
9 | 564843641205206 |
10 | 131031311332200 |
11 | 388290812a4474 |
12 | 128428b5069120 |
13 | 58162797bab16 |
14 | 244dd40c80996 |
15 | 1023659b168a0 |
hex | 772c1ac43368 |
131031311332200 has 96 divisors (see below), whose sum is σ = 406819113919200. Its totient is φ = 34888173448960.
The previous prime is 131031311332147. The next prime is 131031311332211. The reversal of 131031311332200 is 2233113130131.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166825290 + ... + 167608889.
It is an arithmetic number, because the mean of its divisors is an integer number (4237699103325).
Almost surely, 2131031311332200 is an apocalyptic number.
131031311332200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131031311332200 is an abundant number, since it is smaller than the sum of its proper divisors (275787802587000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131031311332200 is a wasteful number, since it uses less digits than its factorization.
131031311332200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 334434851 (or 334434842 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 24.
Adding to 131031311332200 its reverse (2233113130131), we get a palindrome (133264424462331).
The spelling of 131031311332200 in words is "one hundred thirty-one trillion, thirty-one billion, three hundred eleven million, three hundred thirty-two thousand, two hundred".
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