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131020242234 = 2373119529577
BaseRepresentation
bin111101000000101101…
…0100011110100111010
3110112012000200220212020
41322001122203310322
54121312140222414
6140105002255310
712315542453340
oct1720132436472
9415160626766
10131020242234
1150624569232
12214864b7536
13c48037b46b
1464acba5990
15361c6e27a9
hex1e816a3d3a

131020242234 has 16 divisors (see below), whose sum is σ = 299474839488. Its totient is φ = 37434354912.

The previous prime is 131020242209. The next prime is 131020242253. The reversal of 131020242234 is 432242020131.

It is a happy 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 in 7 ways as a sum of consecutive naturals, for example, 1559764747 + ... + 1559764830.

It is an arithmetic number, because the mean of its divisors is an integer number (18717177468).

Almost surely, 2131020242234 is an apocalyptic number.

131020242234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131020242234 is an abundant number, since it is smaller than the sum of its proper divisors (168454597254).

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

131020242234 is a wasteful number, since it uses less digits than its factorization.

131020242234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119529589.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 131020242234 its reverse (432242020131), we get a palindrome (563262262365).

The spelling of 131020242234 in words is "one hundred thirty-one billion, twenty million, two hundred forty-two thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 3119529577 6239059154 9358588731 18717177462 21836707039 43673414078 65510121117 131020242234