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1312110112301 = 612352622981
BaseRepresentation
bin10011000101111111110…
…110110110111000101101
311122102210012122220020222
4103011333312312320231
5132444200142043201
62442435225221125
7163540211635262
oct23057766667055
94572705586228
101312110112301
1146650aa5186a
121923670317a5
1396968003471
1447713a6b269
15241e719691b
hex1317fdb6e2d

1312110112301 has 6 divisors (see below), whose sum is σ = 1333972740906. Its totient is φ = 1290600106800.

The previous prime is 1312110112241. The next prime is 1312110112459. The reversal of 1312110112301 is 1032110112131.

It can be written as a sum of positive squares in 3 ways, for example, as 5430216100 + 1306679896201 = 73690^2 + 1143101^2 .

It is not a de Polignac number, because 1312110112301 - 218 = 1312109850157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312110112301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312110102301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176307770 + ... + 176315211.

It is an arithmetic number, because the mean of its divisors is an integer number (222328790151).

Almost surely, 21312110112301 is an apocalyptic number.

It is an amenable number.

1312110112301 is a deficient number, since it is larger than the sum of its proper divisors (21862628605).

1312110112301 is an frugal number, since it uses more digits than its factorization.

1312110112301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352623103 (or 352623042 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1312110112301 its reverse (1032110112131), we get a palindrome (2344220224432).

The spelling of 1312110112301 in words is "one trillion, three hundred twelve billion, one hundred ten million, one hundred twelve thousand, three hundred one".

Divisors: 1 61 3721 352622981 21510001841 1312110112301