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131311101002 = 276985377829
BaseRepresentation
bin111101001001011000…
…0000110010001001010
3110112221022000002002012
41322102300012101022
54122411120213002
6140153512335522
712326003641154
oct1722260062112
9415838002065
10131311101002
1150763769784
12215479a45a2
13c4c86c8543
1464d9679ad4
153637ee7d52
hex1e92c0644a

131311101002 has 8 divisors (see below), whose sum is σ = 197222787300. Its totient is φ = 65570171904.

The previous prime is 131311100983. The next prime is 131311101013. The reversal of 131311101002 is 200101113131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 128729546521 + 2581554481 = 358789^2 + 50809^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42687377 + ... + 42690452.

Almost surely, 2131311101002 is an apocalyptic number.

131311101002 is a deficient number, since it is larger than the sum of its proper divisors (65911686298).

131311101002 is an equidigital number, since it uses as much as digits as its factorization.

131311101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85378600.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 131311101002 its reverse (200101113131), we get a palindrome (331412214133).

The spelling of 131311101002 in words is "one hundred thirty-one billion, three hundred eleven million, one hundred one thousand, two".

Divisors: 1 2 769 1538 85377829 170755658 65655550501 131311101002