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1310023123321 = 11295477507597
BaseRepresentation
bin10011000100000011011…
…101101000000101111001
311122020101202121212120211
4103010003131220011321
5132430411404421241
62441452153551121
7163434410551303
oct23040335500571
94566352555524
101310023123321
114656399a0090
12191a841154a1
13966c481c843
144759680a973
1524123d4e781
hex13103768179

1310023123321 has 16 divisors (see below), whose sum is σ = 1481098933440. Its totient is φ = 1147761276480.

The previous prime is 1310023123319. The next prime is 1310023123373. The reversal of 1310023123321 is 1233213200131.

It is a cyclic number.

It is not a de Polignac number, because 1310023123321 - 21 = 1310023123319 is a prime.

It is a super-3 number, since 3×13100231233213 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310023123292 and 1310023123301.

It is not an unprimeable number, because it can be changed into a prime (1310023123391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3579306 + ... + 3928291.

It is an arithmetic number, because the mean of its divisors is an integer number (92568683340).

Almost surely, 21310023123321 is an apocalyptic number.

1310023123321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1310023123321 is a deficient number, since it is larger than the sum of its proper divisors (171075810119).

1310023123321 is a wasteful number, since it uses less digits than its factorization.

1310023123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7508184.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1310023123321 its reverse (1233213200131), we get a palindrome (2543236323452).

The spelling of 1310023123321 in words is "one trillion, three hundred ten billion, twenty-three million, one hundred twenty-three thousand, three hundred twenty-one".

Divisors: 1 11 29 319 547 6017 15863 174493 7507597 82583567 217720313 2394923443 4106655559 45173211149 119093011211 1310023123321