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131232233132 = 2271113791313167
BaseRepresentation
bin111101000111000001…
…1001111011010101100
3110112201210121011200222
41322032003033122230
54122230422430012
6140142014110512
712324025401530
oct1721603173254
9415653534628
10131232233132
11507231a1120
12215254ab438
13c4b5273570
1464ccdc9bc0
153631119972
hex1e8e0cf6ac

131232233132 has 192 divisors, whose sum is σ = 314735984640. Its totient is φ = 46228665600.

The previous prime is 131232233129. The next prime is 131232233137. The reversal of 131232233132 is 231332232131.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (131232233137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41435813 + ... + 41438979.

It is an arithmetic number, because the mean of its divisors is an integer number (1639249920).

Almost surely, 2131232233132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131232233132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157367992320).

131232233132 is an abundant number, since it is smaller than the sum of its proper divisors (183503751508).

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

131232233132 is a wasteful number, since it uses less digits than its factorization.

131232233132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412 (or 3410 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 131232233132 its reverse (231332232131), we get a palindrome (362564465263).

The spelling of 131232233132 in words is "one hundred thirty-one billion, two hundred thirty-two million, two hundred thirty-three thousand, one hundred thirty-two".