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131030232300 = 2232521114539109
BaseRepresentation
bin111101000001000000…
…0101010110011101100
3110112012201111110122200
41322002000222303230
54121322214413200
6140110000341500
712316023412032
oct1720200526354
9415181443580
10131030232300
115062a171990
1221489914890
13c482468646
1464b0246552
15361d517800
hex1e8202acec

131030232300 has 216 divisors, whose sum is σ = 448401560880. Its totient is φ = 31739558400.

The previous prime is 131030232241. The next prime is 131030232331. The reversal of 131030232300 is 3232030131.

131030232300 is a `hidden beast` number, since 1 + 31 + 0 + 302 + 32 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14380146 + ... + 14389254.

Almost surely, 2131030232300 is an apocalyptic number.

131030232300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131030232300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224200780440).

131030232300 is an abundant number, since it is smaller than the sum of its proper divisors (317371328580).

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

131030232300 is a wasteful number, since it uses less digits than its factorization.

131030232300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10593 (or 10583 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 131030232300 its reverse (3232030131), we get a palindrome (134262262431).

The spelling of 131030232300 in words is "one hundred thirty-one billion, thirty million, two hundred thirty-two thousand, three hundred".