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131134431131 = 1117776708673
BaseRepresentation
bin111101000100000111…
…0001001111110011011
3110112110222120022120122
41322020032021332123
54122030403244011
6140124201543455
712321430162514
oct1721016117633
9415428508518
10131134431131
1150682a71020
12214b87a4b8b
13c49ac1c362
1464c000ba0b
15362774b3db
hex1e88389f9b

131134431131 has 8 divisors (see below), whose sum is σ = 143136268464. Its totient is φ = 119146014720.

The previous prime is 131134431121. The next prime is 131134431157.

131134431131 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 131134431131 - 26 = 131134431067 is a prime.

It is a super-2 number, since 2×1311344311312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131134431131.

It is not an unprimeable number, because it can be changed into a prime (131134431121) 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, 3334790 + ... + 3373883.

It is an arithmetic number, because the mean of its divisors is an integer number (17892033558).

Almost surely, 2131134431131 is an apocalyptic number.

131134431131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131134431131 is a deficient number, since it is larger than the sum of its proper divisors (12001837333).

131134431131 is a wasteful number, since it uses less digits than its factorization.

131134431131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6710461.

The product of its digits is 1296, while the sum is 26.

It can be divided in two parts, 131134 and 431131, that added together give a palindrome (562265).

The spelling of 131134431131 in words is "one hundred thirty-one billion, one hundred thirty-four million, four hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 11 1777 19547 6708673 73795403 11921311921 131134431131