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3131202252001 is a prime number
BaseRepresentation
bin101101100100001010001…
…100101010110011100001
3102002100011212110020202211
4231210022030222303201
5402300200234031001
610354242055042121
7442136052666235
oct55441214526341
912070155406684
103131202252001
11aa7a3204a5aa
12426a21370341
1319936a806c45
14ab79dd1a5c5
15566b2dda351
hex2d90a32ace1

3131202252001 has 2 divisors, whose sum is σ = 3131202252002. Its totient is φ = 3131202252000.

The previous prime is 3131202251993. The next prime is 3131202252007. The reversal of 3131202252001 is 1002522021313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1930696355025 + 1200505896976 = 1389495^2 + 1095676^2 .

It is an emirp because it is prime and its reverse (1002522021313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3131202252001 - 23 = 3131202251993 is a prime.

It is a super-2 number, since 2×31312022520012 (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3131202252007) 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 as a sum of consecutive naturals, namely, 1565601126000 + 1565601126001.

It is an arithmetic number, because the mean of its divisors is an integer number (1565601126001).

Almost surely, 23131202252001 is an apocalyptic number.

It is an amenable number.

3131202252001 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131202252001 is an equidigital number, since it uses as much as digits as its factorization.

3131202252001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 3131202252001 its reverse (1002522021313), we get a palindrome (4133724273314).

The spelling of 3131202252001 in words is "three trillion, one hundred thirty-one billion, two hundred two million, two hundred fifty-two thousand, one".