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1310232001231 = 89419320910949
BaseRepresentation
bin10011000100001111111…
…010011011101011001111
311122020221022122222012201
4103010033322123223033
5132431323343014411
62441525014542331
7163442525152636
oct23041772335317
94566838588181
101310232001231
1146573689715a
12191b220679a7
1396728b94a3a
14475b646051d
152413735e3c1
hex1310fe9bacf

1310232001231 has 16 divisors (see below), whose sum is σ = 1328651100000. Its totient is φ = 1291897632256.

The previous prime is 1310232001207. The next prime is 1310232001249. The reversal of 1310232001231 is 1321002320131.

It is a cyclic number.

It is not a de Polignac number, because 1310232001231 - 227 = 1310097783503 is a prime.

It is a super-2 number, since 2×13102320012312 (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 = 1310232001199 and 1310232001208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310232001291) 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, 119661345 + ... + 119672293.

It is an arithmetic number, because the mean of its divisors is an integer number (83040693750).

Almost surely, 21310232001231 is an apocalyptic number.

1310232001231 is a deficient number, since it is larger than the sum of its proper divisors (18419098769).

1310232001231 is a wasteful number, since it uses less digits than its factorization.

1310232001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14666.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1310232001231 its reverse (1321002320131), we get a palindrome (2631234321362).

The spelling of 1310232001231 in words is "one trillion, three hundred ten billion, two hundred thirty-two million, one thousand, two hundred thirty-one".

Divisors: 1 89 419 3209 10949 37291 285601 974461 1344571 4587631 35135341 119666819 408299159 3127045349 14721707879 1310232001231