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1310233213231 = 5636257371941
BaseRepresentation
bin10011000100001111111…
…111000011100100101111
311122020221101221112202121
4103010033333003210233
5132431324200310411
62441525100533411
7163442541361315
oct23041777034457
94566841845677
101310233213231
11465737544808
12191b22551267
13967291ca5b7
14475b66980b5
15241374ed571
hex1310ffc392f

1310233213231 has 8 divisors (see below), whose sum is σ = 1312773752304. Its totient is φ = 1307693431680.

The previous prime is 1310233213139. The next prime is 1310233213259. The reversal of 1310233213231 is 1323123320131.

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 1310233213231 - 219 = 1310232688943 is a prime.

It is a super-2 number, since 2×13102332132312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310233213196 and 1310233213205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310233213271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3336721 + ... + 3708661.

It is an arithmetic number, because the mean of its divisors is an integer number (164096719038).

Almost surely, 21310233213231 is an apocalyptic number.

1310233213231 is a deficient number, since it is larger than the sum of its proper divisors (2540539073).

1310233213231 is an equidigital number, since it uses as much as digits as its factorization.

1310233213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378761.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1310233213231 its reverse (1323123320131), we get a palindrome (2633356533362).

The spelling of 1310233213231 in words is "one trillion, three hundred ten billion, two hundred thirty-three million, two hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 563 6257 371941 3522691 209402783 2327234837 1310233213231