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131001115430 = 251071060111549
BaseRepresentation
bin111101000000001000…
…1100110001100100110
3110112010200201011211002
41322000101212030212
54121242241143210
6140103040313302
712315221052143
oct1720021461446
9415120634732
10131001115430
1150614794a59
1221480012832
13c479412623
1464aa4273ca
15361abb54a5
hex1e80466326

131001115430 has 32 divisors (see below), whose sum is σ = 238048826400. Its totient is φ = 51901331200.

The previous prime is 131001115379. The next prime is 131001115457. The reversal of 131001115430 is 34511100131.

It is a super-2 number, since 2×1310011154302 (a number of 23 digits) contains 22 as substring.

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, 11337296 + ... + 11348844.

It is an arithmetic number, because the mean of its divisors is an integer number (7439025825).

Almost surely, 2131001115430 is an apocalyptic number.

131001115430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131001115430 is a deficient number, since it is larger than the sum of its proper divisors (107047710970).

131001115430 is a wasteful number, since it uses less digits than its factorization.

131001115430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22264.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 131001115430 its reverse (34511100131), we get a palindrome (165512215561).

The spelling of 131001115430 in words is "one hundred thirty-one billion, one million, one hundred fifteen thousand, four hundred thirty".

Divisors: 1 2 5 10 107 214 535 1070 10601 11549 21202 23098 53005 57745 106010 115490 1134307 1235743 2268614 2471486 5671535 6178715 11343070 12357430 122430949 244861898 612154745 1224309490 13100111543 26200223086 65500557715 131001115430