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131310032231320 = 2355340161473583
BaseRepresentation
bin11101110110110011111111…
…110100111001101110011000
3122012221010010220202220011221
4131312303333310321232120
5114202340421222400240
61143134555051101424
736441560003016025
oct3566637764715630
9565833126686157
10131310032231320
11389262a9a49288
1212888920141874
135836637c43577
14245d621c9a54c
15102aa1e0e6a4a
hex776cffd39b98

131310032231320 has 32 divisors (see below), whose sum is σ = 295453109949120. Its totient is φ = 52523028460800.

The previous prime is 131310032231291. The next prime is 131310032231359. The reversal of 131310032231320 is 23132230013131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28600752 + ... + 32872831.

It is an arithmetic number, because the mean of its divisors is an integer number (9232909685910).

Almost surely, 2131310032231320 is an apocalyptic number.

131310032231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131310032231320 is an abundant number, since it is smaller than the sum of its proper divisors (164143077717800).

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

131310032231320 is a wasteful number, since it uses less digits than its factorization.

131310032231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61526995 (or 61526991 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 131310032231320 its reverse (23132230013131), we get a palindrome (154442262244451).

The spelling of 131310032231320 in words is "one hundred thirty-one trillion, three hundred ten billion, thirty-two million, two hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 53401 106802 213604 267005 427208 534010 1068020 2136040 61473583 122947166 245894332 307367915 491788664 614735830 1229471660 2458943320 3282750805783 6565501611566 13131003223132 16413754028915 26262006446264 32827508057830 65655016115660 131310032231320