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13001220133031 = 133923325491139
BaseRepresentation
bin1011110100110001010100…
…0110111001000010100111
31201000220102101101201010202
42331030111012321002213
53201002444323224111
643352402244141115
72511210232511504
oct275142506710247
951026371351122
1013001220133031
1141628719077a9
12155b88239779b
137340186ab720
1432d3960b64ab
151782d184cb3b
hexbd3151b90a7

13001220133031 has 8 divisors (see below), whose sum is σ = 14001671414640. Its totient is φ = 12000819912192.

The previous prime is 13001220132997. The next prime is 13001220133037. The reversal of 13001220133031 is 13033102210031.

13001220133031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13001220133031 - 222 = 13001215938727 is a prime.

It is a super-2 number, since 2×130012201330312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13001220132994 and 13001220133012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001220133037) 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, 12235541 + ... + 13255598.

It is an arithmetic number, because the mean of its divisors is an integer number (1750208926830).

Almost surely, 213001220133031 is an apocalyptic number.

13001220133031 is a deficient number, since it is larger than the sum of its proper divisors (1000451281609).

13001220133031 is a wasteful number, since it uses less digits than its factorization.

13001220133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25530385.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13001220133031 its reverse (13033102210031), we get a palindrome (26034322343062).

The spelling of 13001220133031 in words is "thirteen trillion, one billion, two hundred twenty million, one hundred thirty-three thousand, thirty-one".

Divisors: 1 13 39233 510029 25491139 331384807 1000093856387 13001220133031