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131023232313 = 3411065229531
BaseRepresentation
bin111101000000110010…
…1111101110100111001
3110112012020022211110220
41322001211331310321
54121313421413223
6140105150330253
712315610045641
oct1720145756471
9415166284426
10131023232313
1150626220776
12214874b9989
13c480b8743c
1464ad343521
15361cad36e3
hex1e8197dd39

131023232313 has 8 divisors (see below), whose sum is σ = 178958561376. Its totient is φ = 85218362400.

The previous prime is 131023232299. The next prime is 131023232341. The reversal of 131023232313 is 313232320131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-131023232313 is a prime.

It is a super-3 number, since 3×1310232323133 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131023232113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532614643 + ... + 532614888.

It is an arithmetic number, because the mean of its divisors is an integer number (22369820172).

Almost surely, 2131023232313 is an apocalyptic number.

It is an amenable number.

131023232313 is a deficient number, since it is larger than the sum of its proper divisors (47935329063).

131023232313 is a wasteful number, since it uses less digits than its factorization.

131023232313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065229575.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131023232313 its reverse (313232320131), we get a palindrome (444255552444).

The spelling of 131023232313 in words is "one hundred thirty-one billion, twenty-three million, two hundred thirty-two thousand, three hundred thirteen".

Divisors: 1 3 41 123 1065229531 3195688593 43674410771 131023232313