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131300301212 = 22191389441797
BaseRepresentation
bin111101001001000011…
…0111001100110011100
3110112220112200101112222
41322102012321212130
54122400334114322
6140152445044512
712325513100663
oct1722206714634
9415815611488
10131300301212
1150758662733
1221544256738
13c4c63b6932
1464d8067dda
1536370b2e42
hex1e921b999c

131300301212 has 24 divisors (see below), whose sum is σ = 231572839680. Its totient is φ = 65138402240.

The previous prime is 131300301127. The next prime is 131300301217. The reversal of 131300301212 is 212103003131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131300301217) 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 7 ways as a sum of consecutive naturals, for example, 76298 + ... + 518094.

It is an arithmetic number, because the mean of its divisors is an integer number (9648868320).

Almost surely, 2131300301212 is an apocalyptic number.

It is an amenable number.

131300301212 is a deficient number, since it is larger than the sum of its proper divisors (100272538468).

131300301212 is a wasteful number, since it uses less digits than its factorization.

131300301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442381 (or 442379 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131300301212 its reverse (212103003131), we get a palindrome (343403304343).

The spelling of 131300301212 in words is "one hundred thirty-one billion, three hundred million, three hundred one thousand, two hundred twelve".

Divisors: 1 2 4 191 382 389 764 778 1556 74299 148598 297196 441797 883594 1767188 84383227 168766454 171859033 337532908 343718066 687436132 32825075303 65650150606 131300301212