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131030201310 = 2354679933463
BaseRepresentation
bin111101000001000000…
…0100011001111011110
3110112012201102220010220
41322002000203033132
54121322212420220
6140105555542210
712316023222501
oct1720200431736
9415181386126
10131030201310
115062a150678
12214898ba966
13c4824574c8
1464b0239138
15361d50d540
hex1e820233de

131030201310 has 32 divisors (see below), whose sum is σ = 314540029440. Its totient is φ = 34933881888.

The previous prime is 131030201261. The next prime is 131030201333. The reversal of 131030201310 is 13102030131.

131030201310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1310302013102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131030201310.

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 15 ways as a sum of consecutive naturals, for example, 326362 + ... + 607101.

It is an arithmetic number, because the mean of its divisors is an integer number (9829375920).

Almost surely, 2131030201310 is an apocalyptic number.

131030201310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131030201310 is an abundant number, since it is smaller than the sum of its proper divisors (183509828130).

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

131030201310 is a wasteful number, since it uses less digits than its factorization.

131030201310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938152.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 131030201310 its reverse (13102030131), we get a palindrome (144132231441).

The spelling of 131030201310 in words is "one hundred thirty-one billion, thirty million, two hundred one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 4679 9358 14037 23395 28074 46790 70185 140370 933463 1866926 2800389 4667315 5600778 9334630 14001945 28003890 4367673377 8735346754 13103020131 21838366885 26206040262 43676733770 65515100655 131030201310