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131232123030 = 23513673200003
BaseRepresentation
bin111101000111000001…
…0110100100010010110
3110112201210101120200010
41322032002310202112
54122230410414110
6140142011501050
712324024432531
oct1721602644226
9415653346603
10131232123030
1150723126428
1221525457786
13c4b5235408
1464ccd9ba18
1536310e7020
hex1e8e0b4896

131232123030 has 32 divisors (see below), whose sum is σ = 315187593984. Its totient is φ = 34969621856.

The previous prime is 131232123023. The next prime is 131232123037. The reversal of 131232123030 is 30321232131.

It is an interprime number because it is at equal distance from previous prime (131232123023) and next prime (131232123037).

It is a super-2 number, since 2×1312321230302 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131232122988 and 131232123006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131232123037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1558992 + ... + 1641011.

It is an arithmetic number, because the mean of its divisors is an integer number (9849612312).

Almost surely, 2131232123030 is an apocalyptic number.

131232123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131232123030 is an abundant number, since it is smaller than the sum of its proper divisors (183955470954).

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

131232123030 is a wasteful number, since it uses less digits than its factorization.

131232123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201380.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131232123030 its reverse (30321232131), we get a palindrome (161553355161).

The spelling of 131232123030 in words is "one hundred thirty-one billion, two hundred thirty-two million, one hundred twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1367 2734 4101 6835 8202 13670 20505 41010 3200003 6400006 9600009 16000015 19200018 32000030 48000045 96000090 4374404101 8748808202 13123212303 21872020505 26246424606 43744041010 65616061515 131232123030