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131102223022 = 265551111511
BaseRepresentation
bin111101000011001001…
…1010010101010101110
3110112101201221222100201
41322012103102222232
54121444132114042
6140121051344114
712320556336361
oct1720623225256
9415351858321
10131102223022
1150666872651
12214a9a5203a
13c4943532c4
1464b9a260d8
1536249d81b7
hex1e864d2aae

131102223022 has 4 divisors (see below), whose sum is σ = 196653334536. Its totient is φ = 65551111510.

The previous prime is 131102222989. The next prime is 131102223053. The reversal of 131102223022 is 220322201131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220322201131 = 439635011537.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 32775555754 + ... + 32775555757.

It is an arithmetic number, because the mean of its divisors is an integer number (49163333634).

Almost surely, 2131102223022 is an apocalyptic number.

131102223022 is a deficient number, since it is larger than the sum of its proper divisors (65551111514).

131102223022 is an equidigital number, since it uses as much as digits as its factorization.

131102223022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65551111513.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 131102223022 its reverse (220322201131), we get a palindrome (351424424153).

The spelling of 131102223022 in words is "one hundred thirty-one billion, one hundred two million, two hundred twenty-three thousand, twenty-two".

Divisors: 1 2 65551111511 131102223022