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131030101230 = 2357623952863
BaseRepresentation
bin111101000001000000…
…0001010110011101110
3110112012201020210212020
41322002000022303232
54121322201214410
6140105553451010
712316022324640
oct1720200126356
9415181223766
10131030101230
115062a092466
1221489870a66
13c482420aa2
1464b0210890
15361d4dda70
hex1e8200acee

131030101230 has 32 divisors (see below), whose sum is σ = 359396849664. Its totient is φ = 29949737376.

The previous prime is 131030101159. The next prime is 131030101247. The reversal of 131030101230 is 32101030131.

131030101230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311976222 + ... + 311976641.

It is an arithmetic number, because the mean of its divisors is an integer number (11231151552).

Almost surely, 2131030101230 is an apocalyptic number.

131030101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131030101230 is an abundant number, since it is smaller than the sum of its proper divisors (228366748434).

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

131030101230 is a wasteful number, since it uses less digits than its factorization.

131030101230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623952880.

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

Adding to 131030101230 its reverse (32101030131), we get a palindrome (163131131361).

The spelling of 131030101230 in words is "one hundred thirty-one billion, thirty million, one hundred one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 623952863 1247905726 1871858589 3119764315 3743717178 4367670041 6239528630 8735340082 9359292945 13103010123 18718585890 21838350205 26206020246 43676700410 65515050615 131030101230