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3123320211001 = 31978571211999
BaseRepresentation
bin101101011100110100011…
…001000100011000111001
3102001120211120000002012101
4231130310121010120321
5402133024433223001
610350500011343401
7441436533516664
oct55346431043071
912046746002171
103123320211001
11aa465791a531
124253a1751b61
131986b2854a63
14ab25319a6db
15563a0e40a01
hex2d734644639

3123320211001 has 16 divisors (see below), whose sum is σ = 3261113856000. Its totient is φ = 2987914429440.

The previous prime is 3123320210987. The next prime is 3123320211019. The reversal of 3123320211001 is 1001120233213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3123320211001 is a prime.

It is a super-2 number, since 2×31233202110012 (a number of 26 digits) contains 22 as substring.

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 3123320211001.

It is not an unprimeable number, because it can be changed into a prime (3123320211031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1971000 + ... + 3182998.

It is an arithmetic number, because the mean of its divisors is an integer number (203819616000).

Almost surely, 23123320211001 is an apocalyptic number.

3123320211001 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3123320211001 is a deficient number, since it is larger than the sum of its proper divisors (137793644999).

3123320211001 is a wasteful number, since it uses less digits than its factorization.

3123320211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212984.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 3123320211001 its reverse (1001120233213), we get a palindrome (4124440444214).

The spelling of 3123320211001 in words is "three trillion, one hundred twenty-three billion, three hundred twenty million, two hundred eleven thousand, one".

Divisors: 1 31 97 857 3007 26567 83129 1211999 2576999 37571969 117563903 1038683143 3644480993 32199177433 100752264871 3123320211001