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131022131322 = 2321837021887
BaseRepresentation
bin111101000000110000…
…1110001000001111010
3110112012011020220012110
41322001201301001322
54121313131200242
6140105110553150
712315564512025
oct1720141610172
9415164226173
10131022131322
1150625639565
12214870687b6
13c480890274
1464ad1381bc
15361c96739c
hex1e8187107a

131022131322 has 8 divisors (see below), whose sum is σ = 262044262656. Its totient is φ = 43674043772.

The previous prime is 131022131267. The next prime is 131022131329. The reversal of 131022131322 is 223131220131.

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

131022131322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (131022131329) 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, 10918510938 + ... + 10918510949.

It is an arithmetic number, because the mean of its divisors is an integer number (32755532832).

Almost surely, 2131022131322 is an apocalyptic number.

131022131322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131022131322 is a wasteful number, since it uses less digits than its factorization.

131022131322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21837021892.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131022131322 its reverse (223131220131), we get a palindrome (354153351453).

The spelling of 131022131322 in words is "one hundred thirty-one billion, twenty-two million, one hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 21837021887 43674043774 65511065661 131022131322