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131142210243042 = 2321857035040507
BaseRepresentation
bin11101110100010111101100…
…110110110100100111100010
3122012100001222010002120110110
4131310113230312310213202
5114142113221310234132
61142525522155312150
736423466136450205
oct3564275466644742
9565301863076413
10131142210243042
113887110a8a25a9
12128602a4a4b656
1358238712bc71b
1424554615b993c
15102649aac31cc
hex7745ecdb49e2

131142210243042 has 8 divisors (see below), whose sum is σ = 262284420486096. Its totient is φ = 43714070081012.

The previous prime is 131142210242963. The next prime is 131142210243043. The reversal of 131142210243042 is 240342012241131.

It is a happy number.

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

131142210243042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (131142210243043) 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, 10928517520248 + ... + 10928517520259.

It is an arithmetic number, because the mean of its divisors is an integer number (32785552560762).

Almost surely, 2131142210243042 is an apocalyptic number.

131142210243042 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.

131142210243042 is a wasteful number, since it uses less digits than its factorization.

131142210243042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21857035040512.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 131142210243042 its reverse (240342012241131), we get a palindrome (371484222484173).

The spelling of 131142210243042 in words is "one hundred thirty-one trillion, one hundred forty-two billion, two hundred ten million, two hundred forty-three thousand, forty-two".

Divisors: 1 2 3 6 21857035040507 43714070081014 65571105121521 131142210243042