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3131278800953 is a prime number
BaseRepresentation
bin101101100100001110110…
…000101011100000111001
3102002100101012111100012012
4231210032300223200321
5402300324333112303
610354253431455305
7442141002440102
oct55441660534071
912070335440165
103131278800953
11aa7a712839a6
12426a42b27535
13199380629594
14ab7aa1653a9
15566b99ab5d8
hex2d90ec2b839

3131278800953 has 2 divisors, whose sum is σ = 3131278800954. Its totient is φ = 3131278800952.

The previous prime is 3131278800911. The next prime is 3131278800973. The reversal of 3131278800953 is 3590088721313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2679677328784 + 451601472169 = 1636972^2 + 672013^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131278800953 - 236 = 3062559324217 is a prime.

It is not a weakly prime, because it can be changed into another prime (3131278800973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565639400476 + 1565639400477.

It is an arithmetic number, because the mean of its divisors is an integer number (1565639400477).

Almost surely, 23131278800953 is an apocalyptic number.

It is an amenable number.

3131278800953 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131278800953 is an equidigital number, since it uses as much as digits as its factorization.

3131278800953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 3131278800953 in words is "three trillion, one hundred thirty-one billion, two hundred seventy-eight million, eight hundred thousand, nine hundred fifty-three".