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131022133122331 = 113110311093363733
BaseRepresentation
bin11101110010100111110111…
…101100111101010100011011
3122011220121000201210211020101
4131302213313230331110123
5114133131312034403311
61142354423110040231
736412015412663113
oct3562476754752433
9564817021724211
10131022133122331
11388251a1453560
1212840b73349077
1358154461426c9
14244d70dd1a043
1510232bde86ec1
hex7729f7b3d51b

131022133122331 has 32 divisors (see below), whose sum is σ = 149110829936640. Its totient is φ = 114046660713600.

The previous prime is 131022133122329. The next prime is 131022133122343. The reversal of 131022133122331 is 133221331220131.

It is a cyclic number.

It is not a de Polignac number, because 131022133122331 - 21 = 131022133122329 is a prime.

It is a super-2 number, since 2×1310221331223312 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131022133122331.

It is not an unprimeable number, because it can be changed into a prime (131022133128331) 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, 37269541 + ... + 40633273.

It is an arithmetic number, because the mean of its divisors is an integer number (4659713435520).

Almost surely, 2131022133122331 is an apocalyptic number.

131022133122331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131022133122331 is a deficient number, since it is larger than the sum of its proper divisors (18088696814309).

131022133122331 is a wasteful number, since it uses less digits than its factorization.

131022133122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364987.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 131022133122331 its reverse (133221331220131), we get a palindrome (264243464342462).

The spelling of 131022133122331 in words is "one hundred thirty-one trillion, twenty-two billion, one hundred thirty-three million, one hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 11 31 103 341 1109 1133 3193 12199 34379 35123 114227 378169 1256497 3363733 3541037 37001063 38951407 104275723 346464499 1147032953 3730379897 3811109489 10740399469 41034178867 115641776807 118144394159 384229129391 1272059544877 4226520423301 11911103011121 131022133122331