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1031331003131 = 1113232910812751
BaseRepresentation
bin11110000001000000001…
…11100011101011111011
310122121001020020021220102
433000200013203223323
5113344131214100011
62105441550350015
7134340225612332
oct17004007435373
93577036207812
101031331003131
11368426512310
12147a667bb30b
137633c332350
1437cb9562d19
151bc6215673b
hexf0201e3afb

1031331003131 has 32 divisors (see below), whose sum is σ = 1307910481920. Its totient is φ = 799278480000.

The previous prime is 1031331003103. The next prime is 1031331003173. The reversal of 1031331003131 is 1313001331301.

1031331003131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1031331003131 - 214 = 1031330986747 is a prime.

It is a super-2 number, since 2×10313310031312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031331003191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5310995 + ... + 5501756.

It is an arithmetic number, because the mean of its divisors is an integer number (40872202560).

Almost surely, 21031331003131 is an apocalyptic number.

1031331003131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1031331003131 is a deficient number, since it is larger than the sum of its proper divisors (276579478789).

1031331003131 is a wasteful number, since it uses less digits than its factorization.

1031331003131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10812827.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 1031331003131 its reverse (1313001331301), we get a palindrome (2344332334432).

The spelling of 1031331003131 in words is "one trillion, thirty-one billion, three hundred thirty-one million, three thousand, one hundred thirty-one".

Divisors: 1 11 13 23 29 143 253 299 319 377 667 3289 4147 7337 8671 95381 10812751 118940261 140565763 248693273 313569779 1546223393 2735626003 3233012549 3449267569 4076407127 7212104917 35563138039 44840478397 79333154087 93757363921 1031331003131