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131434575407 = 154984851243
BaseRepresentation
bin111101001101000011…
…1000111011000101111
3110120020220100020010022
41322122013013120233
54123134222403112
6140214043032355
712332033312642
oct1723207073057
9416226306108
10131434575407
1150817433943
122158120b6bb
13c51816aa15
14650bc1ba59
153643c87d72
hex1e9a1c762f

131434575407 has 4 divisors (see below), whose sum is σ = 131519428200. Its totient is φ = 131349722616.

The previous prime is 131434575401. The next prime is 131434575469. The reversal of 131434575407 is 704575434131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704575434131 = 4486311570501.

It is a cyclic number.

It is not a de Polignac number, because 131434575407 - 226 = 131367466543 is a prime.

It is a super-2 number, since 2×1314345754072 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131434575401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42424073 + ... + 42427170.

It is an arithmetic number, because the mean of its divisors is an integer number (32879857050).

Almost surely, 2131434575407 is an apocalyptic number.

131434575407 is a deficient number, since it is larger than the sum of its proper divisors (84852793).

131434575407 is an equidigital number, since it uses as much as digits as its factorization.

131434575407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84852792.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 131434575407 in words is "one hundred thirty-one billion, four hundred thirty-four million, five hundred seventy-five thousand, four hundred seven".

Divisors: 1 1549 84851243 131434575407