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1310121300231 = 32444173277327
BaseRepresentation
bin10011000100001001010…
…100001001000100000111
311122020122121100202222200
4103010021110021010013
5132431112023101411
62441510022125543
7163440012211332
oct23041124110407
94566577322880
101310121300231
1146568a356927
12191ab0b808b3
139670bc755a3
14475a5885619
152412c793e56
hex13109509107

1310121300231 has 12 divisors (see below), whose sum is σ = 1892440616352. Its totient is φ = 873394269696.

The previous prime is 1310121300167. The next prime is 1310121300247. The reversal of 1310121300231 is 1320031210131.

1310121300231 is a `hidden beast` number, since 1 + 3 + 10 + 121 + 300 + 231 = 666.

It is not a de Polignac number, because 1310121300231 - 26 = 1310121300167 is a prime.

It is a super-2 number, since 2×13101213002312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310121300031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1238911 + ... + 2038416.

It is an arithmetic number, because the mean of its divisors is an integer number (157703384696).

Almost surely, 21310121300231 is an apocalyptic number.

1310121300231 is a deficient number, since it is larger than the sum of its proper divisors (582319316121).

1310121300231 is a wasteful number, since it uses less digits than its factorization.

1310121300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321750 (or 3321747 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1310121300231 its reverse (1320031210131), we get a palindrome (2630152510362).

The spelling of 1310121300231 in words is "one trillion, three hundred ten billion, one hundred twenty-one million, three hundred thousand, two hundred thirty-one".

Divisors: 1 3 9 44417 133251 399753 3277327 9831981 29495943 145569033359 436707100077 1310121300231