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1310131321013 = 8354372903203
BaseRepresentation
bin10011000100001001111…
…010010111100010110101
311122020200022012212220202
4103010021322113202311
5132431122104233023
62441511021010245
7163440163325414
oct23041172274265
94566608185822
101310131321013
11465694a80669
12191ab43b3985
1396711073748
14475a6d3347b
152412d5c3128
hex13109e978b5

1310131321013 has 8 divisors (see below), whose sum is σ = 1326160361568. Its totient is φ = 1294108097904.

The previous prime is 1310131321003. The next prime is 1310131321019. The reversal of 1310131321013 is 3101231310131.

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 1310131321013 - 24 = 1310131320997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310131321019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000331 + ... + 1902872.

It is an arithmetic number, because the mean of its divisors is an integer number (165770045196).

Almost surely, 21310131321013 is an apocalyptic number.

It is an amenable number.

1310131321013 is a deficient number, since it is larger than the sum of its proper divisors (16029040555).

1310131321013 is an equidigital number, since it uses as much as digits as its factorization.

1310131321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908723.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1310131321013 its reverse (3101231310131), we get a palindrome (4411362631144).

The spelling of 1310131321013 in words is "one trillion, three hundred ten billion, one hundred thirty-one million, three hundred twenty-one thousand, thirteen".

Divisors: 1 83 5437 451271 2903203 240965849 15784714711 1310131321013