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2312010302031 = 321591991613641
BaseRepresentation
bin100001101001001110100…
…011011000001001001111
322012000200222021102210100
4201221032203120021033
5300334444114131111
64530042312342143
7326015525212263
oct41511643301117
98160628242710
102312010302031
118115775a5831
123140bb6a4953
1313a0386c3971
147dc8ab320a3
1540219c94756
hex21a4e8d824f

2312010302031 has 12 divisors (see below), whose sum is σ = 3339593483200. Its totient is φ = 1541329564320.

The previous prime is 2312010302023. The next prime is 2312010302059. The reversal of 2312010302031 is 1302030102132.

2312010302031 is a `hidden beast` number, since 231 + 201 + 0 + 30 + 203 + 1 = 666.

It is not a de Polignac number, because 2312010302031 - 23 = 2312010302023 is a prime.

It is a super-2 number, since 2×23120103020312 (a number of 26 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 = 2312010301995 and 2312010302013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312010307031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 625971 + ... + 2239611.

Almost surely, 22312010302031 is an apocalyptic number.

2312010302031 is a deficient number, since it is larger than the sum of its proper divisors (1027583181169).

2312010302031 is a wasteful number, since it uses less digits than its factorization.

2312010302031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772846 (or 1772843 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2312010302031 its reverse (1302030102132), we get a palindrome (3614040404163).

It can be divided in two parts, 2312010 and 302031, that added together give a triangular number (2614041 = T2286).

The spelling of 2312010302031 in words is "two trillion, three hundred twelve billion, ten million, three hundred two thousand, thirty-one".

Divisors: 1 3 9 159199 477597 1432791 1613641 4840923 14522769 256890033559 770670100677 2312010302031