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1312101101101 = 7312195049963
BaseRepresentation
bin10011000101111111010…
…100011110111000101101
311122102202120201002012211
4103011333110132320231
5132444140340213401
62442434304130421
7163540042224460
oct23057724367055
94572676632184
101312101101101
1146650595759a
12192364006a11
13969661999ab
14477127a32d7
15241e64b6951
hex1317f51ee2d

1312101101101 has 12 divisors (see below), whose sum is σ = 1549476914016. Its totient is φ = 1088378787960.

The previous prime is 1312101101033. The next prime is 1312101101123. The reversal of 1312101101101 is 1011011012131.

It is not a de Polignac number, because 1312101101101 - 211 = 1312101099053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312101101161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97518255 + ... + 97531708.

It is an arithmetic number, because the mean of its divisors is an integer number (129123076168).

Almost surely, 21312101101101 is an apocalyptic number.

It is an amenable number.

1312101101101 is a deficient number, since it is larger than the sum of its proper divisors (237375812915).

1312101101101 is an equidigital number, since it uses as much as digits as its factorization.

1312101101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195050032 (or 195050001 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 1312101101101 its reverse (1011011012131), we get a palindrome (2323112113232).

The spelling of 1312101101101 in words is "one trillion, three hundred twelve billion, one hundred one million, one hundred one thousand, one hundred one".

Divisors: 1 7 31 217 961 6727 195049963 1365349741 6046548853 42325841971 187443014443 1312101101101