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131010020110021 = 1373429113724387
BaseRepresentation
bin11101110010011100100101…
…101101011110111011000101
3122011212102202120001001010211
4131302130211231132323011
5114132432010122010041
61142345101122115421
736411106300040323
oct3562344555367305
9564772676031124
10131010020110021
1138820045a23088
121283a7527abb71
13581426575c6c0
14244ccc12c0d13
151022d10841481
hex772725b5eec5

131010020110021 has 8 divisors (see below), whose sum is σ = 141087916386144. Its totient is φ = 120932152751280.

The previous prime is 131010020109989. The next prime is 131010020110031. The reversal of 131010020110021 is 120011020010131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131010020110021 - 25 = 131010020109989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 131010020109983 and 131010020110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131010020110031) 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, 2683590 + ... + 16407976.

It is an arithmetic number, because the mean of its divisors is an integer number (17635989548268).

Almost surely, 2131010020110021 is an apocalyptic number.

It is an amenable number.

131010020110021 is a deficient number, since it is larger than the sum of its proper divisors (10077896276123).

131010020110021 is a wasteful number, since it uses less digits than its factorization.

131010020110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14458691.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 131010020110021 its reverse (120011020010131), we get a palindrome (251021040120152).

The spelling of 131010020110021 in words is "one hundred thirty-one trillion, ten billion, twenty million, one hundred ten thousand, twenty-one".

Divisors: 1 13 734291 9545783 13724387 178417031 10077693854617 131010020110021