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131302232001103 = 509257961163067
BaseRepresentation
bin11101110110101100101110…
…111001011000101001001111
3122012220101000022021010220111
4131312230232321120221033
5114202223432343013403
61143131225045100451
736441162466114042
oct3566545671305117
9565811008233814
10131302232001103
1138922a66a16929
12128873039b7727
135835993c06a27
14245d0c1d54c59
15102a71440c56d
hex776b2ee58a4f

131302232001103 has 4 divisors (see below), whose sum is σ = 131560193164680. Its totient is φ = 131044270837528.

The previous prime is 131302232001097. The next prime is 131302232001107. The reversal of 131302232001103 is 301100232203131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131302232001103 is a prime.

It is a super-2 number, since 2×1313022320011032 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131302232001107) 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, 128980581025 + ... + 128980582042.

It is an arithmetic number, because the mean of its divisors is an integer number (32890048291170).

Almost surely, 2131302232001103 is an apocalyptic number.

131302232001103 is a deficient number, since it is larger than the sum of its proper divisors (257961163577).

131302232001103 is an equidigital number, since it uses as much as digits as its factorization.

131302232001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257961163576.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131302232001103 its reverse (301100232203131), we get a palindrome (432402464204234).

The spelling of 131302232001103 in words is "one hundred thirty-one trillion, three hundred two billion, two hundred thirty-two million, one thousand, one hundred three".

Divisors: 1 509 257961163067 131302232001103