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131003202131013 = 3175095046542707
BaseRepresentation
bin11101110010010110001111…
…010100111101010001000101
3122011211210011101210211012210
4131302112033110331101011
5114132324024221143023
61142342012405134033
736410445321134442
oct3562261724752105
9564753141724183
10131003202131013
11388181673a1593
121283936b3ba319
13581371a0874b4
14244c8359c69c9
151022a61ece593
hex77258f53d445

131003202131013 has 16 divisors (see below), whose sum is σ = 185309048237760. Its totient is φ = 82036598228736.

The previous prime is 131003202130943. The next prime is 131003202131059. The reversal of 131003202131013 is 310131202300131.

It is a happy number.

It is not a de Polignac number, because 131003202131013 - 29 = 131003202130501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131003202138013) 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, 2523245395 + ... + 2523297312.

It is an arithmetic number, because the mean of its divisors is an integer number (11581815514860).

Almost surely, 2131003202131013 is an apocalyptic number.

It is an amenable number.

131003202131013 is a deficient number, since it is larger than the sum of its proper divisors (54305846106747).

131003202131013 is a wasteful number, since it uses less digits than its factorization.

131003202131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046543236.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131003202131013 its reverse (310131202300131), we get a palindrome (441134404431144).

The spelling of 131003202131013 in words is "one hundred thirty-one trillion, three billion, two hundred two million, one hundred thirty-one thousand, thirteen".

Divisors: 1 3 17 51 509 1527 8653 25959 5046542707 15139628121 85791226019 257373678057 2568690237863 7706070713589 43667734043671 131003202131013