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131330231113 = 196912117427
BaseRepresentation
bin111101001001111100…
…1000100101101001001
3110112222121222222122211
41322103321010231021
54122431014343423
6140155434345121
712326325355114
oct1722371045511
9415877888584
10131330231113
1150773545494
122155228b1a1
13c4cc665a33
1464dc01957b
153639a2610d
hex1e93e44b49

131330231113 has 4 divisors (see below), whose sum is σ = 138242348560. Its totient is φ = 124418113668.

The previous prime is 131330231107. The next prime is 131330231119. The reversal of 131330231113 is 311132033131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311132033131 = 2257691378099.

It is an interprime number because it is at equal distance from previous prime (131330231107) and next prime (131330231119).

It is not a de Polignac number, because 131330231113 - 221 = 131328133961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131330231119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3456058695 + ... + 3456058732.

It is an arithmetic number, because the mean of its divisors is an integer number (34560587140).

Almost surely, 2131330231113 is an apocalyptic number.

It is an amenable number.

131330231113 is a deficient number, since it is larger than the sum of its proper divisors (6912117447).

131330231113 is an equidigital number, since it uses as much as digits as its factorization.

131330231113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6912117446.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 131330231113 its reverse (311132033131), we get a palindrome (442462264244).

The spelling of 131330231113 in words is "one hundred thirty-one billion, three hundred thirty million, two hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 19 6912117427 131330231113