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131330233330 = 2531345791813
BaseRepresentation
bin111101001001111100…
…1000101001111110010
3110112222122000002200221
41322103321011033302
54122431014431310
6140155434403254
712326325364432
oct1722371051762
9415878002627
10131330233330
115077354711a
122155229052a
13c4cc666a4a
1464dc01a2c2
153639a26ada
hex1e93e453f2

131330233330 has 32 divisors (see below), whose sum is σ = 237671189424. Its totient is φ = 52249107456.

The previous prime is 131330233291. The next prime is 131330233337. The reversal of 131330233330 is 33332033131.

It can be written as a sum of positive squares in 8 ways, for example, as 87180239169 + 44149994161 = 295263^2 + 210119^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131330233295 and 131330233304.

It is not an unprimeable number, because it can be changed into a prime (131330233337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1384504 + ... + 1476316.

Almost surely, 2131330233330 is an apocalyptic number.

131330233330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131330233330 is a deficient number, since it is larger than the sum of its proper divisors (106340956094).

131330233330 is a wasteful number, since it uses less digits than its factorization.

131330233330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92590.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 131330233330 its reverse (33332033131), we get a palindrome (164662266461).

The spelling of 131330233330 in words is "one hundred thirty-one billion, three hundred thirty million, two hundred thirty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 313 457 626 914 1565 2285 3130 4570 91813 143041 183626 286082 459065 715205 918130 1430410 28737469 41958541 57474938 83917082 143687345 209792705 287374690 419585410 13133023333 26266046666 65665116665 131330233330