Search a number
-
+
31366101 = 313804259
BaseRepresentation
bin111011110100…
…1101111010101
32012000120012110
41313221233111
531012203401
63040141233
7530415234
oct167515725
965016173
1031366101
11167838a8
12a607819
136662a30
144246b1b
152b489d6
hex1de9bd5

31366101 has 8 divisors (see below), whose sum is σ = 45038560. Its totient is φ = 19302192.

The previous prime is 31366073. The next prime is 31366103. The reversal of 31366101 is 10166313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31366101 - 215 = 31333333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31366103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402091 + ... + 402168.

It is an arithmetic number, because the mean of its divisors is an integer number (5629820).

Almost surely, 231366101 is an apocalyptic number.

It is an amenable number.

31366101 is a deficient number, since it is larger than the sum of its proper divisors (13672459).

31366101 is a wasteful number, since it uses less digits than its factorization.

31366101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804275.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 31366101 is about 5600.5447056514. The cubic root of 31366101 is about 315.3698553122.

The spelling of 31366101 in words is "thirty-one million, three hundred sixty-six thousand, one hundred one".

Divisors: 1 3 13 39 804259 2412777 10455367 31366101