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1313201131110 = 2335112315921977
BaseRepresentation
bin10011000111000000111…
…000110000111001100110
311122112121020121101201000
4103013000320300321212
5133003413442143420
62443135401414130
7163606230304161
oct23070070607146
94575536541630
101313201131110
11466a1a892400
1219261049a346
1396ab005b21b
14477b890cad8
152425cd56690
hex131c0e30e66

1313201131110 has 384 divisors, whose sum is σ = 4040857497600. Its totient is φ = 302846860800.

The previous prime is 1313201131093. The next prime is 1313201131157. The reversal of 1313201131110 is 111311023131.

1313201131110 is a `hidden beast` number, since 1 + 31 + 320 + 1 + 1 + 311 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 59742442 + ... + 59764418.

It is an arithmetic number, because the mean of its divisors is an integer number (10523066400).

Almost surely, 21313201131110 is an apocalyptic number.

1313201131110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313201131110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2020428748800).

1313201131110 is an abundant number, since it is smaller than the sum of its proper divisors (2727656366490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313201131110 is a wasteful number, since it uses less digits than its factorization.

1313201131110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22105 (or 22088 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1313201131110 its reverse (111311023131), we get a palindrome (1424512154241).

The spelling of 1313201131110 in words is "one trillion, three hundred thirteen billion, two hundred one million, one hundred thirty-one thousand, one hundred ten".