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2131022200331 = 6474361375521
BaseRepresentation
bin11111000000101010110…
…100100011111000001011
321112201112121020020211102
4133000222310203320023
5234403313140402311
64310551133252015
7306650500555223
oct37005264437013
97481477206742
102131022200331
11751841527182
122a500b03400b
13125c54149b6b
14751dba05083
153a67595a43b
hex1f02ad23e0b

2131022200331 has 8 divisors (see below), whose sum is σ = 2134393097184. Its totient is φ = 2127651543040.

The previous prime is 2131022200297. The next prime is 2131022200337. The reversal of 2131022200331 is 1330022201312.

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 2131022200331 - 234 = 2113842331147 is a prime.

It is a super-2 number, since 2×21310222003312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131022200337) 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, 28179851 + ... + 28255371.

It is an arithmetic number, because the mean of its divisors is an integer number (266799137148).

Almost surely, 22131022200331 is an apocalyptic number.

2131022200331 is a deficient number, since it is larger than the sum of its proper divisors (3370896853).

2131022200331 is an equidigital number, since it uses as much as digits as its factorization.

2131022200331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119781.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2131022200331 its reverse (1330022201312), we get a palindrome (3461044401643).

The spelling of 2131022200331 in words is "two trillion, one hundred thirty-one billion, twenty-two million, two hundred thousand, three hundred thirty-one".

Divisors: 1 647 43613 75521 28217611 48862087 3293697373 2131022200331