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2031232411331 = 9721971095847
BaseRepresentation
bin11101100011101110111…
…000101110011011000011
321012011222002010201212022
4131203232320232123003
5231234430444130311
64153045115552055
7266515555422614
oct35435670563303
97164862121768
102031232411331
11713493818782
122897bb75b62b
1311971005b336
1470452863c0b
1537c84de55db
hex1d8eee2e6c3

2031232411331 has 12 divisors (see below), whose sum is σ = 2062808933328. Its totient is φ = 2000085518592.

The previous prime is 2031232411319. The next prime is 2031232411337. The reversal of 2031232411331 is 1331142321302.

It is a happy number.

It is not a de Polignac number, because 2031232411331 - 222 = 2031228217027 is a prime.

It is a super-3 number, since 3×20312324113313 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031232411331.

It is not an unprimeable number, because it can be changed into a prime (2031232411337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1305650 + ... + 2401496.

It is an arithmetic number, because the mean of its divisors is an integer number (171900744444).

Almost surely, 22031232411331 is an apocalyptic number.

2031232411331 is a deficient number, since it is larger than the sum of its proper divisors (31576521997).

2031232411331 is an equidigital number, since it uses as much as digits as its factorization.

2031232411331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096238 (or 1096141 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 2031232411331 its reverse (1331142321302), we get a palindrome (3362374732633).

The spelling of 2031232411331 in words is "two trillion, thirty-one billion, two hundred thirty-two million, four hundred eleven thousand, three hundred thirty-one".

Divisors: 1 97 197 9409 19109 1095847 1853573 106297159 215881859 10310824423 20940540323 2031232411331