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131344401142 = 2196415392249
BaseRepresentation
bin111101001010010111…
…1001000001011110110
3110120000121122220021201
41322110233020023312
54122443131314032
6140201102203114
712326556663133
oct1722457101366
9416017586251
10131344401142
1150780543659
1221556b8349a
13c502587676
1464ddc6758a
15363adc48e7
hex1e94bc82f6

131344401142 has 16 divisors (see below), whose sum is σ = 207709470000. Its totient is φ = 62118696960.

The previous prime is 131344401107. The next prime is 131344401163. The reversal of 131344401142 is 241104443131.

131344401142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1313444011422 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131344401142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2671767 + ... + 2720482.

It is an arithmetic number, because the mean of its divisors is an integer number (12981841875).

Almost surely, 2131344401142 is an apocalyptic number.

131344401142 is a deficient number, since it is larger than the sum of its proper divisors (76365068858).

131344401142 is a wasteful number, since it uses less digits than its factorization.

131344401142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392911.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 131344401142 its reverse (241104443131), we get a palindrome (372448844273).

The spelling of 131344401142 in words is "one hundred thirty-one billion, three hundred forty-four million, four hundred one thousand, one hundred forty-two".

Divisors: 1 2 19 38 641 1282 12179 24358 5392249 10784498 102452731 204905462 3456431609 6912863218 65672200571 131344401142