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313131031079 is a prime number
BaseRepresentation
bin1001000111010000001…
…00000101101000100111
31002221020122021112001112
410203220010011220213
520112243020443304
6355503404415235
731423451563646
oct4435004055047
91087218245045
10313131031079
111108863382a9
125082ab4751b
13236b33ba499
141122705935d
15822a394b6e
hex48e8105a27

313131031079 has 2 divisors, whose sum is σ = 313131031080. Its totient is φ = 313131031078.

The previous prime is 313131031027. The next prime is 313131031133. The reversal of 313131031079 is 970130131313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313131031079 - 212 = 313131026983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313131031579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156565515539 + 156565515540.

It is an arithmetic number, because the mean of its divisors is an integer number (156565515540).

Almost surely, 2313131031079 is an apocalyptic number.

313131031079 is a deficient number, since it is larger than the sum of its proper divisors (1).

313131031079 is an equidigital number, since it uses as much as digits as its factorization.

313131031079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 32.

The spelling of 313131031079 in words is "three hundred thirteen billion, one hundred thirty-one million, thirty-one thousand, seventy-nine".