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131331123114 = 23140915534791
BaseRepresentation
bin111101001001111110…
…0011110011110101010
3110112222200200022020220
41322103330132132222
54122431231414424
6140155505430510
712326336061522
oct1722374363652
9415880608226
10131331123114
1150773aa4684
122155263b436
13c4cc8b8a49
1464dc1ac682
153639b50579
hex1e93f1e7aa

131331123114 has 16 divisors (see below), whose sum is σ = 262848680640. Its totient is φ = 43745968640.

The previous prime is 131331123103. The next prime is 131331123149. The reversal of 131331123114 is 411321133131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7758942 + ... + 7775849.

It is an arithmetic number, because the mean of its divisors is an integer number (16428042540).

Almost surely, 2131331123114 is an apocalyptic number.

131331123114 is an abundant number, since it is smaller than the sum of its proper divisors (131517557526).

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

131331123114 is a wasteful number, since it uses less digits than its factorization.

131331123114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15536205.

The product of its digits is 648, while the sum is 24.

Adding to 131331123114 its reverse (411321133131), we get a palindrome (542652256245).

The spelling of 131331123114 in words is "one hundred thirty-one billion, three hundred thirty-one million, one hundred twenty-three thousand, one hundred fourteen".

Divisors: 1 2 3 6 1409 2818 4227 8454 15534791 31069582 46604373 93208746 21888520519 43777041038 65665561557 131331123114