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131101121451 = 3134113258547
BaseRepresentation
bin111101000011000111…
…1000101101110101011
3110112101122220000021210
41322012033011232223
54121443341341301
6140121012004203
712320544100656
oct1720617055653
9415348800253
10131101121451
115066618aa63
12214a9600663
13c494058aa1
1464b981a89d
15362486bad6
hex1e863c5bab

131101121451 has 8 divisors (see below), whose sum is σ = 174814583104. Its totient is φ = 87394203720.

The previous prime is 131101121447. The next prime is 131101121453. The reversal of 131101121451 is 154121101131.

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

It is not a de Polignac number, because 131101121451 - 22 = 131101121447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131101121453) 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, 1589041 + ... + 1669506.

It is an arithmetic number, because the mean of its divisors is an integer number (21851822888).

Almost surely, 2131101121451 is an apocalyptic number.

131101121451 is a deficient number, since it is larger than the sum of its proper divisors (43713461653).

131101121451 is a wasteful number, since it uses less digits than its factorization.

131101121451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271961.

The product of its (nonzero) digits is 120, while the sum is 21.

Adding to 131101121451 its reverse (154121101131), we get a palindrome (285222222582).

The spelling of 131101121451 in words is "one hundred thirty-one billion, one hundred one million, one hundred twenty-one thousand, four hundred fifty-one".

Divisors: 1 3 13411 40233 3258547 9775641 43700373817 131101121451