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13231110403131 = 337191816214441
BaseRepresentation
bin1100000010001001101110…
…1000101011010000111011
31201211212210211111102212220
43000202123220223100323
53213234303230400011
644050142130335123
72533626151536225
oct300423350532073
951755724442786
1013231110403131
114241311985265
12159834012a4a3
1374c8c442354a
1433a563bdb415
1517e288e73506
hexc089ba2b43b

13231110403131 has 16 divisors (see below), whose sum is σ = 18119224819488. Its totient is φ = 8581893062400.

The previous prime is 13231110403129. The next prime is 13231110403141. The reversal of 13231110403131 is 13130401113231.

It is not a de Polignac number, because 13231110403131 - 21 = 13231110403129 is a prime.

It is a super-2 number, since 2×132311104031312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13231110403141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978130 + ... + 5236311.

It is an arithmetic number, because the mean of its divisors is an integer number (1132451551218).

Almost surely, 213231110403131 is an apocalyptic number.

13231110403131 is a deficient number, since it is larger than the sum of its proper divisors (4888114416357).

13231110403131 is a wasteful number, since it uses less digits than its factorization.

13231110403131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6233662.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13231110403131 its reverse (13130401113231), we get a palindrome (26361511516362).

The spelling of 13231110403131 in words is "thirteen trillion, two hundred thirty-one billion, one hundred ten million, four hundred three thousand, one hundred thirty-one".

Divisors: 1 3 37 111 19181 57543 709697 2129091 6214441 18643323 229934317 689802951 119199192821 357597578463 4410370134377 13231110403131