Search a number
-
+
31089059 is a prime number
BaseRepresentation
bin111011010011…
…0000110100011
32011111111011122
41312212012203
530424322214
63030202455
7525152441
oct166460643
964444148
1031089059
1116604741
12a4b342b
1365968c1
1441b3b91
152ae188e
hex1da61a3

31089059 has 2 divisors, whose sum is σ = 31089060. Its totient is φ = 31089058.

The previous prime is 31089053. The next prime is 31089067. The reversal of 31089059 is 95098013.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31089059 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (31089053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15544529 + 15544530.

It is an arithmetic number, because the mean of its divisors is an integer number (15544530).

Almost surely, 231089059 is an apocalyptic number.

31089059 is a deficient number, since it is larger than the sum of its proper divisors (1).

31089059 is an equidigital number, since it uses as much as digits as its factorization.

31089059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 31089059 is about 5575.7563612482. The cubic root of 31089059 is about 314.4386036624.

It can be divided in two parts, 3108 and 9059, that added together give a cube (12167 = 233).

The spelling of 31089059 in words is "thirty-one million, eighty-nine thousand, fifty-nine".