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2131023233131 = 13988071659041
BaseRepresentation
bin11111000000101010111…
…000100000000001101011
321112201112200011201120021
4133000222320200001223
5234403313421430011
64310551211341311
7306650512416262
oct37005270400153
97481480151507
102131023233131
11751842072131
122a500b451837
13125c5441bca0
14751dbbd35d9
153a675ab1471
hex1f02ae2006b

2131023233131 has 8 divisors (see below), whose sum is σ = 2294972707104. Its totient is φ = 1967077274880.

The previous prime is 2131023233117. The next prime is 2131023233167. The reversal of 2131023233131 is 1313323201312.

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 2131023233131 - 217 = 2131023102059 is a prime.

It is a super-2 number, since 2×21310232331312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131023233096 and 2131023233105.

It is not an unprimeable number, because it can be changed into a prime (2131023273131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454971 + ... + 2114011.

It is an arithmetic number, because the mean of its divisors is an integer number (286871588388).

Almost surely, 22131023233131 is an apocalyptic number.

2131023233131 is a deficient number, since it is larger than the sum of its proper divisors (163949473973).

2131023233131 is a wasteful number, since it uses less digits than its factorization.

2131023233131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757861.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2131023233131 its reverse (1313323201312), we get a palindrome (3444346434443).

The spelling of 2131023233131 in words is "two trillion, one hundred thirty-one billion, twenty-three million, two hundred thirty-three thousand, one hundred thirty-one".

Divisors: 1 13 98807 1284491 1659041 21567533 163924864087 2131023233131