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3121332210031 = 74389110159363
BaseRepresentation
bin101101011010111101111…
…001011100100101101111
3102001101201000020011112211
4231122331321130211233
5402114442021210111
610345530433511251
7441336344011540
oct55327571344557
912041630204484
103121332210031
11aa3827728a22
12424b27a12527
13198456a1c119
14ab1051464c7
15562d664d521
hex2d6bde5c96f

3121332210031 has 8 divisors (see below), whose sum is σ = 3567318437504. Its totient is φ = 2675366389080.

The previous prime is 3121332209993. The next prime is 3121332210043. The reversal of 3121332210031 is 1300122331213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3121332210031 - 217 = 3121332078959 is a prime.

It is a super-2 number, since 2×31213322100312 (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 = 3121332209984 and 3121332210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121332610031) 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, 4772445 + ... + 5386918.

It is an arithmetic number, because the mean of its divisors is an integer number (445914804688).

Almost surely, 23121332210031 is an apocalyptic number.

3121332210031 is a deficient number, since it is larger than the sum of its proper divisors (445986227473).

3121332210031 is a wasteful number, since it uses less digits than its factorization.

3121332210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10203261.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3121332210031 its reverse (1300122331213), we get a palindrome (4421454541244).

The spelling of 3121332210031 in words is "three trillion, one hundred twenty-one billion, three hundred thirty-two million, two hundred ten thousand, thirty-one".

Divisors: 1 7 43891 307237 10159363 71115541 445904601433 3121332210031