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131012010011 = 397431765673
BaseRepresentation
bin111101000000011101…
…1001010000000011011
3110112011110012200101002
41322000323022000123
54121303033310021
6140104110015215
712315412465601
oct1720073120033
9415143180332
10131012010011
115061a956243
12214837a750b
13c47b75841c
1464aba61871
15361bb1850b
hex1e80eca01b

131012010011 has 8 divisors (see below), whose sum is σ = 131646924864. Its totient is φ = 130378628160.

The previous prime is 131012009983. The next prime is 131012010029. The reversal of 131012010011 is 110010210131.

It is a happy number.

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 131012010011 - 210 = 131012008987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131012009974 and 131012010001.

It is not an unprimeable number, because it can be changed into a prime (131012010511) 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, 211730 + ... + 553943.

It is an arithmetic number, because the mean of its divisors is an integer number (16455865608).

Almost surely, 2131012010011 is an apocalyptic number.

131012010011 is a deficient number, since it is larger than the sum of its proper divisors (634914853).

131012010011 is an equidigital number, since it uses as much as digits as its factorization.

131012010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766501.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 131012010011 its reverse (110010210131), we get a palindrome (241022220142).

The spelling of 131012010011 in words is "one hundred thirty-one billion, twelve million, ten thousand, eleven".

Divisors: 1 397 431 171107 765673 303972181 330005063 131012010011