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131023324524 = 22310918610377
BaseRepresentation
bin111101000000110011…
…0010100010101101100
3110112012020111111222010
41322001212110111230
54121313432341044
6140105152321220
712315610611531
oct1720146242554
9415166444863
10131023324524
1150626283a84
1221487543210
13c480bba3c1
1464ad368d88
15361cb00bb9
hex1e8199456c

131023324524 has 12 divisors (see below), whose sum is σ = 305721090584. Its totient is φ = 43674441504.

The previous prime is 131023324483. The next prime is 131023324543. The reversal of 131023324524 is 425423320131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1310233245242 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131023324491 and 131023324500.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5459305177 + ... + 5459305200.

Almost surely, 2131023324524 is an apocalyptic number.

It is an amenable number.

131023324524 is an abundant number, since it is smaller than the sum of its proper divisors (174697766060).

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

131023324524 is a wasteful number, since it uses less digits than its factorization.

131023324524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10918610384 (or 10918610382 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 131023324524 its reverse (425423320131), we get a palindrome (556446644655).

The spelling of 131023324524 in words is "one hundred thirty-one billion, twenty-three million, three hundred twenty-four thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 10918610377 21837220754 32755831131 43674441508 65511662262 131023324524