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131142411431311 = 718734630204473
BaseRepresentation
bin11101110100010111111000…
…110110010010110110001111
3122012100002111010122222212211
4131310113320312102312033
5114142114124311300221
61142525554143411251
736423504131514010
oct3564277066226617
9565302433588784
10131142411431311
11388712034172a5
12128603402b3b27
1358238a3ba1837
1424554801cb007
1510264ad5b46e1
hex7745f8d92d8f

131142411431311 has 4 divisors (see below), whose sum is σ = 149877041635792. Its totient is φ = 112407781226832.

The previous prime is 131142411431293. The next prime is 131142411431363. The reversal of 131142411431311 is 113134114241131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 131142411431311 - 27 = 131142411431183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131142411431011) 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, 9367315102230 + ... + 9367315102243.

It is an arithmetic number, because the mean of its divisors is an integer number (37469260408948).

Almost surely, 2131142411431311 is an apocalyptic number.

131142411431311 is a deficient number, since it is larger than the sum of its proper divisors (18734630204481).

131142411431311 is an equidigital number, since it uses as much as digits as its factorization.

131142411431311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18734630204480.

The product of its digits is 3456, while the sum is 31.

Adding to 131142411431311 its reverse (113134114241131), we get a palindrome (244276525672442).

The spelling of 131142411431311 in words is "one hundred thirty-one trillion, one hundred forty-two billion, four hundred eleven million, four hundred thirty-one thousand, three hundred eleven".

Divisors: 1 7 18734630204473 131142411431311