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131120402330 = 2571271368071
BaseRepresentation
bin111101000011101100…
…0101000111110011010
3110112110000011120200102
41322013120220332122
54122013310333310
6140122541135402
712321200013311
oct1720730507632
9415400146612
10131120402330
1150676059a75
12214b3b5a562
13c498049aa8
1464bc1d9278
1536263c98a5
hex1e87628f9a

131120402330 has 32 divisors (see below), whose sum is σ = 239432640768. Its totient is φ = 51689635200.

The previous prime is 131120402279. The next prime is 131120402389. The reversal of 131120402330 is 33204021131.

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, 1892195 + ... + 1960265.

It is an arithmetic number, because the mean of its divisors is an integer number (7482270024).

Almost surely, 2131120402330 is an apocalyptic number.

131120402330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131120402330 is a deficient number, since it is larger than the sum of its proper divisors (108312238438).

131120402330 is a wasteful number, since it uses less digits than its factorization.

131120402330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70862.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131120402330 its reverse (33204021131), we get a palindrome (164324423461).

The spelling of 131120402330 in words is "one hundred thirty-one billion, one hundred twenty million, four hundred two thousand, three hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 2713 5426 13565 27130 68071 136142 192623 340355 385246 680710 963115 1926230 4833041 9666082 24165205 48330410 184676623 369353246 923383115 1846766230 13112040233 26224080466 65560201165 131120402330