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31290059 is a prime number
BaseRepresentation
bin111011101011…
…1001011001011
32011212200220002
41313113023023
531002240214
63034353215
7526650443
oct167271313
964780802
1031290059
1116731759
12a58b80b
136637238
144227123
152b311de
hex1dd72cb

31290059 has 2 divisors, whose sum is σ = 31290060. Its totient is φ = 31290058.

The previous prime is 31290029. The next prime is 31290071. The reversal of 31290059 is 95009213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31290059 - 212 = 31285963 is a prime.

It is not a weakly prime, because it can be changed into another prime (31290029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15645029 + 15645030.

It is an arithmetic number, because the mean of its divisors is an integer number (15645030).

Almost surely, 231290059 is an apocalyptic number.

31290059 is a deficient number, since it is larger than the sum of its proper divisors (1).

31290059 is an equidigital number, since it uses as much as digits as its factorization.

31290059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 31290059 is about 5593.7517821226. The cubic root of 31290059 is about 315.1147948112.

The spelling of 31290059 in words is "thirty-one million, two hundred ninety thousand, fifty-nine".