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131200311002113 = 1961731118626199
BaseRepresentation
bin11101110101001101110011…
…111011101000010000000001
3122012112121221020220221110001
4131311031303323220100001
5114144041214104031423
61143012331340240001
736430624004656303
oct3565156373502001
9565477836827401
10131200311002113
11388938151a2861
121286b5ba840001
1358291a04206c2
1424581b3b21973
151027c4b717cad
hex775373ee8401

131200311002113 has 8 divisors (see below), whose sum is σ = 138127963176000. Its totient is φ = 124274896093008.

The previous prime is 131200311002107. The next prime is 131200311002129. The reversal of 131200311002113 is 311200113002131.

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

It is a cyclic number.

It is not a de Polignac number, because 131200311002113 - 245 = 96015938913281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131200311002213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559195813 + ... + 559430386.

It is an arithmetic number, because the mean of its divisors is an integer number (17265995397000).

Almost surely, 2131200311002113 is an apocalyptic number.

It is an amenable number.

131200311002113 is a deficient number, since it is larger than the sum of its proper divisors (6927652173887).

131200311002113 is a wasteful number, since it uses less digits than its factorization.

131200311002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118632391.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131200311002113 its reverse (311200113002131), we get a palindrome (442400424004244).

The spelling of 131200311002113 in words is "one hundred thirty-one trillion, two hundred billion, three hundred eleven million, two thousand, one hundred thirteen".

Divisors: 1 19 6173 117287 1118626199 21253897781 6905279526427 131200311002113