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1310121032101 = 7187160147443
BaseRepresentation
bin10011000100001001010…
…011000111100110100101
311122020122120212011011221
4103010021103013212211
5132431111441011401
62441510012300341
7163440010013530
oct23041123074645
94566576764157
101310121032101
1146568a193432
12191ab0a716b1
139670bbb052b
14475a5815a17
152412c73e7a1
hex131094c79a5

1310121032101 has 4 divisors (see below), whose sum is σ = 1497281179552. Its totient is φ = 1122960884652.

The previous prime is 1310121032083. The next prime is 1310121032117. The reversal of 1310121032101 is 1012301210131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1310121032101 - 229 = 1309584161189 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 (1310121035101) 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, 93580073715 + ... + 93580073728.

It is an arithmetic number, because the mean of its divisors is an integer number (374320294888).

Almost surely, 21310121032101 is an apocalyptic number.

It is an amenable number.

1310121032101 is a deficient number, since it is larger than the sum of its proper divisors (187160147451).

1310121032101 is an equidigital number, since it uses as much as digits as its factorization.

1310121032101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187160147450.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1310121032101 its reverse (1012301210131), we get a palindrome (2322422242232).

The spelling of 1310121032101 in words is "one trillion, three hundred ten billion, one hundred twenty-one million, thirty-two thousand, one hundred one".

Divisors: 1 7 187160147443 1310121032101